386757655812 has 72 divisors (see below), whose sum is σ = 1067464463520. Its totient is φ = 117094792320.

The previous prime is 386757655811. The next prime is 386757655853. The reversal of 386757655812 is 218556757683.

386757655812 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 5 + 76 + 558 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 386757655812.

It is not an unprimeable number, because it can be changed into a prime (386757655811) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9864 + ... + 879552.

Almost surely, 2^386757655812 is an apocalyptic number.

It is an amenable number.

386757655812 is an abundant number, since it is smaller than the sum of its proper divisors (680706807708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386757655812 is a wasteful number, since it uses less digits than its factorization.

386757655812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870833 (or 870828 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 63.

The spelling of 386757655812 in words is "three hundred eighty-six billion, seven hundred fifty-seven million, six hundred fifty-five thousand, eight hundred twelve".