385977651903 has 64 divisors (see below), whose sum is σ = 608141070720. Its totient is φ = 241110245376.

The previous prime is 385977651893. The next prime is 385977651931. The reversal of 385977651903 is 309156779583.

385977651903 is a `hidden beast` number, since 38 + 597 + 7 + 6 + 5 + 1 + 9 + 0 + 3 = 666.

It is not a de Polignac number, because 385977651903 - 2²² = 385973457599 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385977691903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112429875 + ... + 112433307.

It is an arithmetic number, because the mean of its divisors is an integer number (9502204230).

Almost surely, 2^385977651903 is an apocalyptic number.

385977651903 is a deficient number, since it is larger than the sum of its proper divisors (222163418817).

385977651903 is a wasteful number, since it uses less digits than its factorization.

385977651903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 385977651903 in words is "three hundred eighty-five billion, nine hundred seventy-seven million, six hundred fifty-one thousand, nine hundred three".