996973347968 has 64 divisors (see below), whose sum is σ = 2251515033600. Its totient is φ = 435923555328.

The previous prime is 996973347907. The next prime is 996973348001. The reversal of 996973347968 is 869743379699.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 996973347892 and 996973347901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15735296 + ... + 15798527.

It is an arithmetic number, because the mean of its divisors is an integer number (35179922400).

Almost surely, 2^996973347968 is an apocalyptic number.

It is an amenable number.

996973347968 is an abundant number, since it is smaller than the sum of its proper divisors (1254541685632).

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

996973347968 is a wasteful number, since it uses less digits than its factorization.

996973347968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31533869 (or 31533857 counting only the distinct ones).

The product of its digits is 3333197952, while the sum is 80.

The spelling of 996973347968 in words is "nine hundred ninety-six billion, nine hundred seventy-three million, three hundred forty-seven thousand, nine hundred sixty-eight".