8632657971 has 16 divisors (see below), whose sum is σ = 14616140800. Its totient is φ = 4932947304.

The previous prime is 8632657951. The next prime is 8632657993. The reversal of 8632657971 is 1797562368.

8632657971 is a `hidden beast` number, since 8 + 63 + 2 + 6 + 579 + 7 + 1 = 666.

It is not a de Polignac number, because 8632657971 - 2⁶ = 8632657907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8632657951) 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, 22837531 + ... + 22837908.

It is an arithmetic number, because the mean of its divisors is an integer number (913508800).

Almost surely, 2^8632657971 is an apocalyptic number.

8632657971 is a deficient number, since it is larger than the sum of its proper divisors (5983482829).

8632657971 is a wasteful number, since it uses less digits than its factorization.

8632657971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45675455 (or 45675449 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 8632657971 is about 92912.0980873858. The cubic root of 8632657971 is about 2051.3897355084.

The spelling of 8632657971 in words is "eight billion, six hundred thirty-two million, six hundred fifty-seven thousand, nine hundred seventy-one".