813715104 has 24 divisors (see below), whose sum is σ = 2136002400. Its totient is φ = 271238336.

The previous prime is 813715103. The next prime is 813715121. The reversal of 813715104 is 401517318.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (813715103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4238004 + ... + 4238195.

It is an arithmetic number, because the mean of its divisors is an integer number (89000100).

Almost surely, 2^813715104 is an apocalyptic number.

It is an amenable number.

813715104 is an abundant number, since it is smaller than the sum of its proper divisors (1322287296).

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

813715104 is a wasteful number, since it uses less digits than its factorization.

813715104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476212 (or 8476204 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 813715104 is about 28525.6919986177. The cubic root of 813715104 is about 933.5927256354.

The spelling of 813715104 in words is "eight hundred thirteen million, seven hundred fifteen thousand, one hundred four".