972132867 has 16 divisors (see below), whose sum is σ = 1489860000. Its totient is φ = 625740192.

The previous prime is 972132839. The next prime is 972132893. The reversal of 972132867 is 768231279.

It is not a de Polignac number, because 972132867 - 2¹⁸ = 971870723 is a prime.

It is a super-2 number, since 2×972132867² = 1890084622203279378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (972132817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619992 + ... + 621557.

It is an arithmetic number, because the mean of its divisors is an integer number (93116250).

Almost surely, 2^972132867 is an apocalyptic number.

972132867 is a deficient number, since it is larger than the sum of its proper divisors (517727133).

972132867 is a wasteful number, since it uses less digits than its factorization.

972132867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241587 (or 1241581 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 972132867 is about 31179.0453189318. The cubic root of 972132867 is about 990.6233081230.

The spelling of 972132867 in words is "nine hundred seventy-two million, one hundred thirty-two thousand, eight hundred sixty-seven".