813051708 has 72 divisors (see below), whose sum is σ = 2223183312. Its totient is φ = 230582016.

The previous prime is 813051677. The next prime is 813051719. The reversal of 813051708 is 807150318.

It is a super-2 number, since 2×813051708² = 1322106159763434528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75510 + ... + 85602.

It is an arithmetic number, because the mean of its divisors is an integer number (30877546).

Almost surely, 2^813051708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 813051708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111591656).

813051708 is an abundant number, since it is smaller than the sum of its proper divisors (1410131604).

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

813051708 is a wasteful number, since it uses less digits than its factorization.

813051708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10251 (or 10242 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 813051708 is about 28514.0615837169. The cubic root of 813051708 is about 933.3389471885.

The spelling of 813051708 in words is "eight hundred thirteen million, fifty-one thousand, seven hundred eight".