76860664185 has 16 divisors (see below), whose sum is σ = 129449540160. Its totient is φ = 38834861760.

The previous prime is 76860664159. The next prime is 76860664193. The reversal of 76860664185 is 58146606867.

It is not a de Polignac number, because 76860664185 - 2¹² = 76860660089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134842986 + ... + 134843555.

It is an arithmetic number, because the mean of its divisors is an integer number (8090596260).

Almost surely, 2^76860664185 is an apocalyptic number.

It is an amenable number.

76860664185 is a deficient number, since it is larger than the sum of its proper divisors (52588875975).

76860664185 is a wasteful number, since it uses less digits than its factorization.

76860664185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269686568.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 76860664185 in words is "seventy-six billion, eight hundred sixty million, six hundred sixty-four thousand, one hundred eighty-five".