3878198310 has 64 divisors (see below), whose sum is σ = 10696218624. Its totient is φ = 881539200.

The previous prime is 3878198299. The next prime is 3878198339. The reversal of 3878198310 is 138918783.

It is a super-2 number, since 2×3878198310² = 30080844263373712200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3878198310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13006 + ... + 89025.

It is an arithmetic number, because the mean of its divisors is an integer number (167128416).

Almost surely, 2^3878198310 is an apocalyptic number.

3878198310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3878198310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5348109312).

3878198310 is an abundant number, since it is smaller than the sum of its proper divisors (6818020314).

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

3878198310 is a wasteful number, since it uses less digits than its factorization.

3878198310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102229.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 3878198310 is about 62275.1821354221. The cubic root of 3878198310 is about 1571.1223410871.

The spelling of 3878198310 in words is "three billion, eight hundred seventy-eight million, one hundred ninety-eight thousand, three hundred ten".