252823273578 has 24 divisors (see below), whose sum is σ = 548859975300. Its totient is φ = 84108852864.

The previous prime is 252823273541. The next prime is 252823273609. The reversal of 252823273578 is 875372328252.

It is a happy number.

252823273578 is a `hidden beast` number, since 2 + 5 + 28 + 23 + 27 + 3 + 578 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 250073005329 + 2750268249 = 500073^2 + 52443^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13788223 + ... + 13806546.

Almost surely, 2^252823273578 is an apocalyptic number.

252823273578 is an abundant number, since it is smaller than the sum of its proper divisors (296036701722).

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

252823273578 is a wasteful number, since it uses less digits than its factorization.

252823273578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27595286 (or 27595283 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 252823273578 in words is "two hundred fifty-two billion, eight hundred twenty-three million, two hundred seventy-three thousand, five hundred seventy-eight".