97011564 has 24 divisors (see below), whose sum is σ = 243773040. Its totient is φ = 29849664.

The previous prime is 97011553. The next prime is 97011581. The reversal of 97011564 is 46511079.

It is a super-2 number, since 2×97011564² = 18822487099452192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310779 + ... + 311090.

It is an arithmetic number, because the mean of its divisors is an integer number (10157210).

Almost surely, 2^97011564 is an apocalyptic number.

It is an amenable number.

97011564 is an abundant number, since it is smaller than the sum of its proper divisors (146761476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97011564 is a wasteful number, since it uses less digits than its factorization.

97011564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621889 (or 621887 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 97011564 is about 9849.4448574526. Note that the first 3 decimals coincide. The cubic root of 97011564 is about 459.4883472997.

The spelling of 97011564 in words is "ninety-seven million, eleven thousand, five hundred sixty-four".