77653168264 has 48 divisors (see below), whose sum is σ = 178285352400. Its totient is φ = 31528351008.

The previous prime is 77653168213. The next prime is 77653168297. The reversal of 77653168264 is 46286135677.

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, 5205574 + ... + 5220469.

It is an arithmetic number, because the mean of its divisors is an integer number (3714278175).

Almost surely, 2^77653168264 is an apocalyptic number.

It is an amenable number.

77653168264 is an abundant number, since it is smaller than the sum of its proper divisors (100632184136).

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

77653168264 is a wasteful number, since it uses less digits than its factorization.

77653168264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426082 (or 10426071 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The spelling of 77653168264 in words is "seventy-seven billion, six hundred fifty-three million, one hundred sixty-eight thousand, two hundred sixty-four".