77988983539152 has 40 divisors (see below), whose sum is σ = 230253189497536. Its totient is φ = 22282566725376.

The previous prime is 77988983539063. The next prime is 77988983539169. The reversal of 77988983539152 is 25193538988977.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116055034693 + ... + 116055035364.

Almost surely, 2^{77988983539152} is an apocalyptic number.

It is an amenable number.

77988983539152 is an abundant number, since it is smaller than the sum of its proper divisors (152264205958384).

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

77988983539152 is a wasteful number, since it uses less digits than its factorization.

77988983539152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232110070075 (or 232110070069 counting only the distinct ones).

The product of its digits is 8230118400, while the sum is 84.

The spelling of 77988983539152 in words is "seventy-seven trillion, nine hundred eighty-eight billion, nine hundred eighty-three million, five hundred thirty-nine thousand, one hundred fifty-two".