386684778674 has 8 divisors (see below), whose sum is σ = 580807825920. Its totient is φ = 193082170036.

The previous prime is 386684778589. The next prime is 386684778677. The reversal of 386684778674 is 476877486683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (386684778677) 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 3 ways as a sum of consecutive naturals, for example, 130107794 + ... + 130110765.

It is an arithmetic number, because the mean of its divisors is an integer number (72600978240).

Almost surely, 2^386684778674 is an apocalyptic number.

386684778674 is a deficient number, since it is larger than the sum of its proper divisors (194123047246).

386684778674 is a wasteful number, since it uses less digits than its factorization.

386684778674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260219304.

The product of its digits is 1820786688, while the sum is 74.

The spelling of 386684778674 in words is "three hundred eighty-six billion, six hundred eighty-four million, seven hundred seventy-eight thousand, six hundred seventy-four".