257775080996 has 12 divisors (see below), whose sum is σ = 451531570140. Its totient is φ = 128766060960.

The previous prime is 257775080987. The next prime is 257775081001. The reversal of 257775080996 is 699080577752.

It can be written as a sum of positive squares in 2 ways, for example, as 151718040100 + 106057040896 = 389510^2 + 325664^2 .

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, 30365111 + ... + 30373598.

It is an arithmetic number, because the mean of its divisors is an integer number (37627630845).

Almost surely, 2^257775080996 is an apocalyptic number.

It is an amenable number.

257775080996 is a deficient number, since it is larger than the sum of its proper divisors (193756489144).

257775080996 is a wasteful number, since it uses less digits than its factorization.

257775080996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60739774 (or 60739772 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 65.

The spelling of 257775080996 in words is "two hundred fifty-seven billion, seven hundred seventy-five million, eighty thousand, nine hundred ninety-six".