76860664186 has 16 divisors (see below), whose sum is σ = 119766403008. Its totient is φ = 36964933600.

The previous prime is 76860664159. The next prime is 76860664193. The reversal of 76860664186 is 68146606867.

It is a super-2 number, since 2×76860664186² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76860664186.

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 7 ways as a sum of consecutive naturals, for example, 6595060 + ... + 6606703.

It is an arithmetic number, because the mean of its divisors is an integer number (7485400188).

Almost surely, 2^76860664186 is an apocalyptic number.

76860664186 is a deficient number, since it is larger than the sum of its proper divisors (42905738822).

76860664186 is a wasteful number, since it uses less digits than its factorization.

76860664186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13201877.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 76860664186 in words is "seventy-six billion, eight hundred sixty million, six hundred sixty-four thousand, one hundred eighty-six".