257077272 has 16 divisors (see below), whose sum is σ = 642693240. Its totient is φ = 85692416.

The previous prime is 257077231. The next prime is 257077283. The reversal of 257077272 is 272770752.

It is a self number, because there is not a number n which added to its sum of digits gives 257077272.

It is a congruent number.

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, 5355753 + ... + 5355800.

Almost surely, 2^257077272 is an apocalyptic number.

It is an amenable number.

257077272 is an abundant number, since it is smaller than the sum of its proper divisors (385615968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257077272 is a wasteful number, since it uses less digits than its factorization.

257077272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10711562 (or 10711558 counting only the distinct ones).

The product of its (nonzero) digits is 96040, while the sum is 39.

The square root of 257077272 is about 16033.6294082157. The cubic root of 257077272 is about 635.8498320356.

The spelling of 257077272 in words is "two hundred fifty-seven million, seventy-seven thousand, two hundred seventy-two".