972293665 has 16 divisors (see below), whose sum is σ = 1411869312. Its totient is φ = 627496704.

The previous prime is 972293657. The next prime is 972293677. The reversal of 972293665 is 566392279.

It is a cyclic number.

It is not a de Polignac number, because 972293665 - 2³ = 972293657 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 816459 + ... + 817648.

It is an arithmetic number, because the mean of its divisors is an integer number (88241832).

Almost surely, 2^972293665 is an apocalyptic number.

It is an amenable number.

972293665 is a deficient number, since it is larger than the sum of its proper divisors (439575647).

972293665 is a wasteful number, since it uses less digits than its factorization.

972293665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634136.

The product of its digits is 1224720, while the sum is 49.

The square root of 972293665 is about 31181.6238352014. The cubic root of 972293665 is about 990.6779239307.

The spelling of 972293665 in words is "nine hundred seventy-two million, two hundred ninety-three thousand, six hundred sixty-five".