386791984266 has 16 divisors (see below), whose sum is σ = 773730516288. Its totient is φ = 128906236800.

The previous prime is 386791984259. The next prime is 386791984279. The reversal of 386791984266 is 662489197683.

It is a self number, because there is not a number n which added to its sum of digits gives 386791984266.

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, 6071830 + ... + 6135201.

It is an arithmetic number, because the mean of its divisors is an integer number (48358157268).

Almost surely, 2^386791984266 is an apocalyptic number.

386791984266 is an abundant number, since it is smaller than the sum of its proper divisors (386938532022).

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

386791984266 is a wasteful number, since it uses less digits than its factorization.

386791984266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12212317.

The product of its digits is 188116992, while the sum is 69.

The spelling of 386791984266 in words is "three hundred eighty-six billion, seven hundred ninety-one million, nine hundred eighty-four thousand, two hundred sixty-six".