79633425896 has 8 divisors (see below), whose sum is σ = 149312673570. Its totient is φ = 39816712944.

The previous prime is 79633425889. The next prime is 79633425913. The reversal of 79633425896 is 69852433697.

It can be written as a sum of positive squares in only one way, i.e., 79180332100 + 453093796 = 281390^2 + 21286^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977089111 + ... + 4977089126.

Almost surely, 2^79633425896 is an apocalyptic number.

It is an amenable number.

79633425896 is a deficient number, since it is larger than the sum of its proper divisors (69679247674).

79633425896 is a wasteful number, since it uses less digits than its factorization.

79633425896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954178243 (or 9954178239 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 62.

The spelling of 79633425896 in words is "seventy-nine billion, six hundred thirty-three million, four hundred twenty-five thousand, eight hundred ninety-six".