257989096 has 8 divisors (see below), whose sum is σ = 483729570. Its totient is φ = 128994544.

The previous prime is 257989073. The next prime is 257989103. The reversal of 257989096 is 690989752.

257989096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 256960900 + 1028196 = 16030^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16124311 + ... + 16124326.

Almost surely, 2^257989096 is an apocalyptic number.

It is an amenable number.

257989096 is a deficient number, since it is larger than the sum of its proper divisors (225740474).

257989096 is a wasteful number, since it uses less digits than its factorization.

257989096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32248643 (or 32248639 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 257989096 is about 16062.0389739286. The cubic root of 257989096 is about 636.6007074503.

The spelling of 257989096 in words is "two hundred fifty-seven million, nine hundred eighty-nine thousand, ninety-six".