386993679552 has 84 divisors (see below), whose sum is σ = 1111623543576. Its totient is φ = 128721576960.

The previous prime is 386993679551. The next prime is 386993679563. The reversal of 386993679552 is 255976399683.

386993679552 is a `hidden beast` number, since 3 + 8 + 6 + 9 + 9 + 3 + 67 + 9 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (386993679551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450349 + ... + 988332.

It is an arithmetic number, because the mean of its divisors is an integer number (13233613614).

Almost surely, 2^386993679552 is an apocalyptic number.

386993679552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

386993679552 is an abundant number, since it is smaller than the sum of its proper divisors (724629864024).

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

386993679552 is a wasteful number, since it uses less digits than its factorization.

386993679552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439166 (or 1439153 counting only the distinct ones).

The product of its digits is 661348800, while the sum is 72.

The spelling of 386993679552 in words is "three hundred eighty-six billion, nine hundred ninety-three million, six hundred seventy-nine thousand, five hundred fifty-two".