77964322239 has 24 divisors (see below), whose sum is σ = 121299052160. Its totient is φ = 48095489232.

The previous prime is 77964322211. The next prime is 77964322291. The reversal of 77964322239 is 93222346977.

77964322239 is a `hidden beast` number, since 77 + 96 + 432 + 22 + 39 = 666.

It is not a de Polignac number, because 77964322239 - 2²⁷ = 77830104511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77964322439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5294179 + ... + 5308884.

Almost surely, 2^77964322239 is an apocalyptic number.

77964322239 is a deficient number, since it is larger than the sum of its proper divisors (43334729921).

77964322239 is a wasteful number, since it uses less digits than its factorization.

77964322239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603131 (or 10603128 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The spelling of 77964322239 in words is "seventy-seven billion, nine hundred sixty-four million, three hundred twenty-two thousand, two hundred thirty-nine".