3878098560 has 320 divisors, whose sum is σ = 15829355520. Its totient is φ = 886339584.

The previous prime is 3878098559. The next prime is 3878098561. The reversal of 3878098560 is 658908783.

It is a happy number.

3878098560 is a `hidden beast` number, since 3 + 8 + 78 + 0 + 9 + 8 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (3878098559) and next prime (3878098561).

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 3878098497 and 3878098506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878098561) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 357537 + ... + 368223.

It is an arithmetic number, because the mean of its divisors is an integer number (49466736).

Almost surely, 2^3878098560 is an apocalyptic number.

3878098560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3878098560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7914677760).

3878098560 is an abundant number, since it is smaller than the sum of its proper divisors (11951256960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3878098560 is a wasteful number, since it uses less digits than its factorization.

3878098560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10725 (or 10704 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 3878098560 is about 62274.3812494351. The cubic root of 3878098560 is about 1571.1088708462.

The spelling of 3878098560 in words is "three billion, eight hundred seventy-eight million, ninety-eight thousand, five hundred sixty".