77388113442264 has 64 divisors (see below), whose sum is σ = 205912292300640. Its totient is φ = 24152827822080.

The previous prime is 77388113442221. The next prime is 77388113442307. The reversal of 77388113442264 is 46224431188377.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77388113442221) and next prime (77388113442307).

It is a super-2 number, since 2×77388113442264² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77388113442198 and 77388113442207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491311797 + ... + 491469284.

Almost surely, 2^{77388113442264} is an apocalyptic number.

It is an amenable number.

77388113442264 is an abundant number, since it is smaller than the sum of its proper divisors (128524178858376).

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

77388113442264 is a wasteful number, since it uses less digits than its factorization.

77388113442264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982781300 (or 982781296 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 60.

The spelling of 77388113442264 in words is "seventy-seven trillion, three hundred eighty-eight billion, one hundred thirteen million, four hundred forty-two thousand, two hundred sixty-four".