972863197808 has 10 divisors (see below), whose sum is σ = 1884922445784. Its totient is φ = 486431598896.

The previous prime is 972863197777. The next prime is 972863197849. The reversal of 972863197808 is 808791368279.

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, 30401974916 + ... + 30401974947.

Almost surely, 2^972863197808 is an apocalyptic number.

It is an amenable number.

972863197808 is a deficient number, since it is larger than the sum of its proper divisors (912059247976).

972863197808 is a wasteful number, since it uses less digits than its factorization.

972863197808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60803949871 (or 60803949865 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 972863197808 in words is "nine hundred seventy-two billion, eight hundred sixty-three million, one hundred ninety-seven thousand, eight hundred eight".