97944979 has 8 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 88974600.

The previous prime is 97944961. The next prime is 97945037.

97944979 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97944979 - 2⁵ = 97944947 is a prime.

It is a super-2 number, since 2×97944979² = 19186437822620882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97944949) 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, 18202 + ... + 22960.

It is an arithmetic number, because the mean of its divisors is an integer number (13366080).

Almost surely, 2^97944979 is an apocalyptic number.

97944979 is a deficient number, since it is larger than the sum of its proper divisors (8983661).

97944979 is a wasteful number, since it uses less digits than its factorization.

97944979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641.

The product of its digits is 5143824, while the sum is 58.

The square root of 97944979 is about 9896.7155662876. The cubic root of 97944979 is about 460.9573304631.

The spelling of 97944979 in words is "ninety-seven million, nine hundred forty-four thousand, nine hundred seventy-nine".