972864983 has 4 divisors (see below), whose sum is σ = 989354280. Its totient is φ = 956375688.

The previous prime is 972864953. The next prime is 972864989. The reversal of 972864983 is 389468279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389468279 = 283 ⋅1376213.

It is a cyclic number.

It is not a de Polignac number, because 972864983 - 2¹⁶ = 972799447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972864989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8244560 + ... + 8244677.

It is an arithmetic number, because the mean of its divisors is an integer number (247338570).

Almost surely, 2^972864983 is an apocalyptic number.

972864983 is a deficient number, since it is larger than the sum of its proper divisors (16489297).

972864983 is a wasteful number, since it uses less digits than its factorization.

972864983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16489296.

The product of its digits is 5225472, while the sum is 56.

The square root of 972864983 is about 31190.7836227306. The cubic root of 972864983 is about 990.8719261229.

The spelling of 972864983 in words is "nine hundred seventy-two million, eight hundred sixty-four thousand, nine hundred eighty-three".