1878004709280 has 864 divisors, whose sum is σ = 7900197701760. Its totient is φ = 403928985600.

The previous prime is 1878004709279. The next prime is 1878004709281. The reversal of 1878004709280 is 829074008781.

It is a happy number.

1878004709280 is a `hidden beast` number, since 1 + 8 + 7 + 8 + 0 + 0 + 470 + 92 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (1878004709279) and next prime (1878004709281).

It is a super-3 number, since 3×1878004709280³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1878004709281) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 202432002 + ... + 202441278.

It is an arithmetic number, because the mean of its divisors is an integer number (9143747340).

Almost surely, 2^{1878004709280} is an apocalyptic number.

1878004709280 is a gapful number since it is divisible by the number (10) 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 1878004709280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950098850880).

1878004709280 is an abundant number, since it is smaller than the sum of its proper divisors (6022192992480).

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

1878004709280 is a wasteful number, since it uses less digits than its factorization.

1878004709280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9482 (or 9464 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 1878004709280 in words is "one trillion, eight hundred seventy-eight billion, four million, seven hundred nine thousand, two hundred eighty".