856636696 has 8 divisors (see below), whose sum is σ = 1606193820. Its totient is φ = 428318344.

The previous prime is 856636667. The next prime is 856636709. The reversal of 856636696 is 696636658.

856636696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53539786 + ... + 53539801.

Almost surely, 2^856636696 is an apocalyptic number.

It is an amenable number.

856636696 is a deficient number, since it is larger than the sum of its proper divisors (749557124).

856636696 is a wasteful number, since it uses less digits than its factorization.

856636696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107079593 (or 107079589 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 55.

The square root of 856636696 is about 29268.3565647270. The cubic root of 856636696 is about 949.7272332319.

The spelling of 856636696 in words is "eight hundred fifty-six million, six hundred thirty-six thousand, six hundred ninety-six".