77975157339 has 6 divisors (see below), whose sum is σ = 112630782836. Its totient is φ = 51983438220.

The previous prime is 77975157329. The next prime is 77975157349. The reversal of 77975157339 is 93375157977.

77975157339 is a `hidden beast` number, since 7 + 7 + 9 + 7 + 51 + 573 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (77975157329) and next prime (77975157349).

It is not a de Polignac number, because 77975157339 - 2³⁵ = 43615418971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77975157319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4331953177 + ... + 4331953194.

Almost surely, 2^77975157339 is an apocalyptic number.

77975157339 is a deficient number, since it is larger than the sum of its proper divisors (34655625497).

77975157339 is a wasteful number, since it uses less digits than its factorization.

77975157339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8663906377 (or 8663906374 counting only the distinct ones).

The product of its digits is 43758225, while the sum is 63.

The spelling of 77975157339 in words is "seventy-seven billion, nine hundred seventy-five million, one hundred fifty-seven thousand, three hundred thirty-nine".