78152281504704 has 84 divisors (see below), whose sum is σ = 244373895406680. Its totient is φ = 23682509544960.

The previous prime is 78152281504673. The next prime is 78152281504723. The reversal of 78152281504704 is 40740518225187.

78152281504704 is a `hidden beast` number, since 7 + 8 + 1 + 52 + 2 + 81 + 504 + 7 + 0 + 4 = 666.

It is a super-2 number, since 2×78152281504704² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6167313859 + ... + 6167326530.

Almost surely, 2^{78152281504704} is an apocalyptic number.

It is an amenable number.

78152281504704 is an abundant number, since it is smaller than the sum of its proper divisors (166221613901976).

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

78152281504704 is a wasteful number, since it uses less digits than its factorization.

78152281504704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12334640418 (or 12334640405 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The spelling of 78152281504704 in words is "seventy-eight trillion, one hundred fifty-two billion, two hundred eighty-one million, five hundred four thousand, seven hundred four".