78568704000 has 672 divisors, whose sum is σ = 294653169720. Its totient is φ = 20901888000.

The previous prime is 78568703999. The next prime is 78568704043. The reversal of 78568704000 is 40786587.

It can be written as a sum of positive squares in 4 ways, for example, as 3554067456 + 75014636544 = 59616^2 + 273888^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 186623790 + ... + 186624210.

Almost surely, 2^78568704000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78568704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147326584860).

78568704000 is an abundant number, since it is smaller than the sum of its proper divisors (216084465720).

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

78568704000 is an frugal number, since it uses more digits than its factorization.

78568704000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 78568704000 in words is "seventy-eight billion, five hundred sixty-eight million, seven hundred four thousand".