813957850 has 24 divisors (see below), whose sum is σ = 1515581568. Its totient is φ = 325234800.

The previous prime is 813957847. The next prime is 813957863. The reversal of 813957850 is 58759318.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 813957850.

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, 41337 + ... + 57763.

It is an arithmetic number, because the mean of its divisors is an integer number (63149232).

Almost surely, 2^813957850 is an apocalyptic number.

813957850 is a deficient number, since it is larger than the sum of its proper divisors (701623718).

813957850 is a wasteful number, since it uses less digits than its factorization.

813957850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17430 (or 17425 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 813957850 is about 28529.9465474438. The cubic root of 813957850 is about 933.6855522962.

The spelling of 813957850 in words is "eight hundred thirteen million, nine hundred fifty-seven thousand, eight hundred fifty".