97680569 has 8 divisors (see below), whose sum is σ = 113913600. Its totient is φ = 83725908.

The previous prime is 97680553. The next prime is 97680571. The reversal of 97680569 is 96508679.

It is not a de Polignac number, because 97680569 - 2⁴ = 97680553 is a prime.

It is a super-2 number, since 2×97680569² = 19082987120327522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97680529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142049 + ... + 142734.

It is an arithmetic number, because the mean of its divisors is an integer number (14239200).

Almost surely, 2^97680569 is an apocalyptic number.

It is an amenable number.

97680569 is a deficient number, since it is larger than the sum of its proper divisors (16233031).

97680569 is an equidigital number, since it uses as much as digits as its factorization.

97680569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284804 (or 284790 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 97680569 is about 9883.3480663184. The cubic root of 97680569 is about 460.5421600612.

The spelling of 97680569 in words is "ninety-seven million, six hundred eighty thousand, five hundred sixty-nine".