97864911 has 6 divisors (see below), whose sum is σ = 141360440. Its totient is φ = 65243268.

The previous prime is 97864891. The next prime is 97864919. The reversal of 97864911 is 11946879.

It is a happy number.

It is not a de Polignac number, because 97864911 - 2⁶ = 97864847 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 (97864919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5436931 + ... + 5436948.

Almost surely, 2^97864911 is an apocalyptic number.

97864911 is a deficient number, since it is larger than the sum of its proper divisors (43495529).

97864911 is a wasteful number, since it uses less digits than its factorization.

97864911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10873885 (or 10873882 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 97864911 is about 9892.6695588198. The cubic root of 97864911 is about 460.8316885172.

The spelling of 97864911 in words is "ninety-seven million, eight hundred sixty-four thousand, nine hundred eleven".