257813223084 has 48 divisors (see below), whose sum is σ = 671402045440. Its totient is φ = 85552362000.

The previous prime is 257813223079. The next prime is 257813223097. The reversal of 257813223084 is 480322318752.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5328292 + ... + 5376459.

Almost surely, 2^257813223084 is an apocalyptic number.

It is an amenable number.

257813223084 is an abundant number, since it is smaller than the sum of its proper divisors (413588822356).

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

257813223084 is a wasteful number, since it uses less digits than its factorization.

257813223084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10704987 (or 10704979 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 257813223084 in words is "two hundred fifty-seven billion, eight hundred thirteen million, two hundred twenty-three thousand, eighty-four".