64077118879 has 16 divisors (see below), whose sum is σ = 72764736480. Its totient is φ = 56055767040.

The previous prime is 64077118877. The next prime is 64077118901. The reversal of 64077118879 is 97881177046.

It is a cyclic number.

It is not a de Polignac number, because 64077118879 - 2¹ = 64077118877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64077118877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854402 + ... + 1888639.

It is an arithmetic number, because the mean of its divisors is an integer number (4547796030).

Almost surely, 2^64077118879 is an apocalyptic number.

64077118879 is a deficient number, since it is larger than the sum of its proper divisors (8687617601).

64077118879 is a wasteful number, since it uses less digits than its factorization.

64077118879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743130.

The product of its (nonzero) digits is 4741632, while the sum is 58.

The spelling of 64077118879 in words is "sixty-four billion, seventy-seven million, one hundred eighteen thousand, eight hundred seventy-nine".