257968804 has 12 divisors (see below), whose sum is σ = 467012700. Its totient is φ = 124536608.

The previous prime is 257968793. The next prime is 257968807. The reversal of 257968804 is 408869752.

It can be written as a sum of positive squares in 2 ways, for example, as 163840000 + 94128804 = 12800^2 + 9702^2 .

It is not an unprimeable number, because it can be changed into a prime (257968807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111819 + ... + 1112050.

It is an arithmetic number, because the mean of its divisors is an integer number (38917725).

Almost surely, 2^257968804 is an apocalyptic number.

It is an amenable number.

257968804 is a deficient number, since it is larger than the sum of its proper divisors (209043896).

257968804 is a wasteful number, since it uses less digits than its factorization.

257968804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223902 (or 2223900 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 257968804 is about 16061.4072857891. The cubic root of 257968804 is about 636.5840165120.

The spelling of 257968804 in words is "two hundred fifty-seven million, nine hundred sixty-eight thousand, eight hundred four".