257875798732 has 12 divisors (see below), whose sum is σ = 451479988960. Its totient is φ = 128881516176.

The previous prime is 257875798717. The next prime is 257875798769. The reversal of 257875798732 is 237897578752.

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 3 ways as a sum of consecutive naturals, for example, 14085507 + ... + 14103802.

Almost surely, 2^257875798732 is an apocalyptic number.

It is an amenable number.

257875798732 is a deficient number, since it is larger than the sum of its proper divisors (193604190228).

257875798732 is a wasteful number, since it uses less digits than its factorization.

257875798732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28191600 (or 28191598 counting only the distinct ones).

The product of its digits is 414892800, while the sum is 70.

The spelling of 257875798732 in words is "two hundred fifty-seven billion, eight hundred seventy-five million, seven hundred ninety-eight thousand, seven hundred thirty-two".