813955696 has 40 divisors (see below), whose sum is σ = 1606622864. Its totient is φ = 399375360.

The previous prime is 813955693. The next prime is 813955697. The reversal of 813955696 is 696559318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813955693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626920 + ... + 628216.

Almost surely, 2^813955696 is an apocalyptic number.

It is an amenable number.

813955696 is a deficient number, since it is larger than the sum of its proper divisors (792667168).

813955696 is a wasteful number, since it uses less digits than its factorization.

813955696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009 (or 2003 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 52.

The square root of 813955696 is about 28529.9087976110. The cubic root of 813955696 is about 933.6847286825.

The spelling of 813955696 in words is "eight hundred thirteen million, nine hundred fifty-five thousand, six hundred ninety-six".