9770311972 has 24 divisors (see below), whose sum is σ = 17811954720. Its totient is φ = 4685221440.

The previous prime is 9770311963. The next prime is 9770312017. The reversal of 9770311972 is 2791130779.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495198 + ... + 514549.

It is an arithmetic number, because the mean of its divisors is an integer number (742164780).

Almost surely, 2^9770311972 is an apocalyptic number.

It is an amenable number.

9770311972 is a deficient number, since it is larger than the sum of its proper divisors (8041642748).

9770311972 is a wasteful number, since it uses less digits than its factorization.

9770311972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009851 (or 1009849 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 46.

The square root of 9770311972 is about 98844.8884464948. Note that the first 3 decimals coincide. The cubic root of 9770311972 is about 2137.8118353205.

The spelling of 9770311972 in words is "nine billion, seven hundred seventy million, three hundred eleven thousand, nine hundred seventy-two".