97630911 has 24 divisors (see below), whose sum is σ = 169653120. Its totient is φ = 52852176.

The previous prime is 97630903. The next prime is 97630937. The reversal of 97630911 is 11903679.

97630911 is a `hidden beast` number, since 9 + 7 + 630 + 9 + 11 = 666.

It is not a de Polignac number, because 97630911 - 2³ = 97630903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97610911) 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, 39585 + ... + 41978.

It is an arithmetic number, because the mean of its divisors is an integer number (7068880).

Almost surely, 2^97630911 is an apocalyptic number.

97630911 is a deficient number, since it is larger than the sum of its proper divisors (72022209).

97630911 is a wasteful number, since it uses less digits than its factorization.

97630911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81595 (or 81592 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 97630911 is about 9880.8355415926. The cubic root of 97630911 is about 460.4641046904.

The spelling of 97630911 in words is "ninety-seven million, six hundred thirty thousand, nine hundred eleven".