385120097397 has 64 divisors (see below), whose sum is σ = 670354291200. Its totient is φ = 213904696320.

The previous prime is 385120097393. The next prime is 385120097399. The reversal of 385120097397 is 793790021583.

385120097397 is a `hidden beast` number, since 3 + 8 + 512 + 0 + 0 + 97 + 39 + 7 = 666.

It is not a de Polignac number, because 385120097397 - 2² = 385120097393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385120097393) 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, 7028647 + ... + 7083227.

It is an arithmetic number, because the mean of its divisors is an integer number (10474285800).

Almost surely, 2^385120097397 is an apocalyptic number.

385120097397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

385120097397 is a deficient number, since it is larger than the sum of its proper divisors (285234193803).

385120097397 is a wasteful number, since it uses less digits than its factorization.

385120097397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55643 (or 55637 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 385120097397 in words is "three hundred eighty-five billion, one hundred twenty million, ninety-seven thousand, three hundred ninety-seven".