425808856 has 32 divisors (see below), whose sum is σ = 901011600. Its totient is φ = 186874240.

The previous prime is 425808811. The next prime is 425808863. The reversal of 425808856 is 658808524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80875 + ... + 85978.

Almost surely, 2^425808856 is an apocalyptic number.

It is an amenable number.

425808856 is an abundant number, since it is smaller than the sum of its proper divisors (475202744).

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

425808856 is a wasteful number, since it uses less digits than its factorization.

425808856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166899 (or 166895 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 46.

The square root of 425808856 is about 20635.1364424857. The cubic root of 425808856 is about 752.3239654012.

The spelling of 425808856 in words is "four hundred twenty-five million, eight hundred eight thousand, eight hundred fifty-six".