97922979 has 128 divisors (see below), whose sum is σ = 198451200. Its totient is φ = 46189440.

The previous prime is 97922977. The next prime is 97923011.

97922979 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97922979 - 2¹ = 97922977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97922971) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1461504 + ... + 1461570.

It is an arithmetic number, because the mean of its divisors is an integer number (1550400).

Almost surely, 2^97922979 is an apocalyptic number.

97922979 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

97922979 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

97922979 is a wasteful number, since it uses less digits than its factorization.

97922979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 144 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 97922979 is about 9895.6040240099. The cubic root of 97922979 is about 460.9228150963.

The spelling of 97922979 in words is "ninety-seven million, nine hundred twenty-two thousand, nine hundred seventy-nine".