257264708 has 12 divisors (see below), whose sum is σ = 450448320. Its totient is φ = 128565192.

The previous prime is 257264677. The next prime is 257264717. The reversal of 257264708 is 807462752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7616 + ... + 23927.

It is an arithmetic number, because the mean of its divisors is an integer number (37537360).

Almost surely, 2^257264708 is an apocalyptic number.

It is an amenable number.

257264708 is a deficient number, since it is larger than the sum of its proper divisors (193183612).

257264708 is a wasteful number, since it uses less digits than its factorization.

257264708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33586 (or 33584 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 257264708 is about 16039.4734327533. The cubic root of 257264708 is about 636.0043279903.

The spelling of 257264708 in words is "two hundred fifty-seven million, two hundred sixty-four thousand, seven hundred eight".