97966979 has 4 divisors (see below), whose sum is σ = 106873080. Its totient is φ = 89060880.

The previous prime is 97966969. The next prime is 97966987.

97966979 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97966979 - 2²⁰ = 96918403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97966969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4453034 + ... + 4453055.

It is an arithmetic number, because the mean of its divisors is an integer number (26718270).

Almost surely, 2^97966979 is an apocalyptic number.

97966979 is a deficient number, since it is larger than the sum of its proper divisors (8906101).

97966979 is a wasteful number, since it uses less digits than its factorization.

97966979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906100.

The product of its digits is 11573604, while the sum is 62.

The square root of 97966979 is about 9897.8269837374. The cubic root of 97966979 is about 460.9918406619.

The spelling of 97966979 in words is "ninety-seven million, nine hundred sixty-six thousand, nine hundred seventy-nine".