257199896 has 8 divisors (see below), whose sum is σ = 482249820. Its totient is φ = 128599944.

The previous prime is 257199883. The next prime is 257199911. The reversal of 257199896 is 698991752.

257199896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16074986 + ... + 16075001.

Almost surely, 2^257199896 is an apocalyptic number.

It is an amenable number.

257199896 is a deficient number, since it is larger than the sum of its proper divisors (225049924).

257199896 is a wasteful number, since it uses less digits than its factorization.

257199896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32149993 (or 32149989 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 56.

The square root of 257199896 is about 16037.4529149737. The cubic root of 257199896 is about 635.9509145562.

The spelling of 257199896 in words is "two hundred fifty-seven million, one hundred ninety-nine thousand, eight hundred ninety-six".