77864094177 has 8 divisors (see below), whose sum is σ = 108332652864. Its totient is φ = 49652465808.

The previous prime is 77864094167. The next prime is 77864094179. The reversal of 77864094177 is 77149046877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77864094177 - 2⁸ = 77864093921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77864094177.

It is not an unprimeable number, because it can be changed into a prime (77864094179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564232498 + ... + 564232635.

It is an arithmetic number, because the mean of its divisors is an integer number (13541581608).

Almost surely, 2^77864094177 is an apocalyptic number.

It is an amenable number.

77864094177 is a deficient number, since it is larger than the sum of its proper divisors (30468558687).

77864094177 is a wasteful number, since it uses less digits than its factorization.

77864094177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128465159.

The product of its (nonzero) digits is 16595712, while the sum is 60.

The spelling of 77864094177 in words is "seventy-seven billion, eight hundred sixty-four million, ninety-four thousand, one hundred seventy-seven".