97965656979 has 4 divisors (see below), whose sum is σ = 130620875976. Its totient is φ = 65310437984.

The previous prime is 97965656977. The next prime is 97965656989.

97965656979 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 97965656979 - 2¹ = 97965656977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97965656977) 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, 16327609494 + ... + 16327609499.

It is an arithmetic number, because the mean of its divisors is an integer number (32655218994).

Almost surely, 2^97965656979 is an apocalyptic number.

97965656979 is a deficient number, since it is larger than the sum of its proper divisors (32655218997).

97965656979 is a wasteful number, since it uses less digits than its factorization.

97965656979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32655218996.

The product of its digits is 1736040600, while the sum is 78.

The spelling of 97965656979 in words is "ninety-seven billion, nine hundred sixty-five million, six hundred fifty-six thousand, nine hundred seventy-nine".