97933979 has 24 divisors (see below), whose sum is σ = 116827200. Its totient is φ = 81375840.

The previous prime is 97933973. The next prime is 97934029.

It is a happy number.

97933979 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97933979 - 2⁸ = 97933723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97933973) 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, 258212 + ... + 258590.

It is an arithmetic number, because the mean of its divisors is an integer number (4867800).

Almost surely, 2^97933979 is an apocalyptic number.

97933979 is a deficient number, since it is larger than the sum of its proper divisors (18893221).

97933979 is a wasteful number, since it uses less digits than its factorization.

97933979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 542 counting only the distinct ones).

The product of its digits is 2893401, while the sum is 56.

The square root of 97933979 is about 9896.1598107549. The cubic root of 97933979 is about 460.9400734258.

The spelling of 97933979 in words is "ninety-seven million, nine hundred thirty-three thousand, nine hundred seventy-nine".