972976291 has 24 divisors (see below), whose sum is σ = 1200485664. Its totient is φ = 784586880.

The previous prime is 972976273. The next prime is 972976297. The reversal of 972976291 is 192679279.

It is a happy number.

It is not a de Polignac number, because 972976291 - 2⁷ = 972976163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (972976297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61671 + ... + 75823.

It is an arithmetic number, because the mean of its divisors is an integer number (50020236).

Almost surely, 2^972976291 is an apocalyptic number.

972976291 is a deficient number, since it is larger than the sum of its proper divisors (227509373).

972976291 is a wasteful number, since it uses less digits than its factorization.

972976291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251 (or 14244 counting only the distinct ones).

The product of its digits is 857304, while the sum is 52.

The square root of 972976291 is about 31192.5678808270. The cubic root of 972976291 is about 990.9097140888.

The spelling of 972976291 in words is "nine hundred seventy-two million, nine hundred seventy-six thousand, two hundred ninety-one".