257814769372 has 12 divisors (see below), whose sum is σ = 474921943720. Its totient is φ = 122122785456.

The previous prime is 257814769363. The next prime is 257814769393. The reversal of 257814769372 is 273967418752.

It is a self number, because there is not a number n which added to its sum of digits gives 257814769372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696149723 + ... + 1696149874.

Almost surely, 2^257814769372 is an apocalyptic number.

It is an amenable number.

257814769372 is a deficient number, since it is larger than the sum of its proper divisors (217107174348).

257814769372 is a wasteful number, since it uses less digits than its factorization.

257814769372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392299620 (or 3392299618 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 61.

The spelling of 257814769372 in words is "two hundred fifty-seven billion, eight hundred fourteen million, seven hundred sixty-nine thousand, three hundred seventy-two".