97699679 has 24 divisors (see below), whose sum is σ = 127035216. Its totient is φ = 74256000.

The previous prime is 97699673. The next prime is 97699681.

97699679 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97699679 - 2¹⁶ = 97634143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97699673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19889 + ... + 24309.

It is an arithmetic number, because the mean of its divisors is an integer number (5293134).

Almost surely, 2^97699679 is an apocalyptic number.

97699679 is a deficient number, since it is larger than the sum of its proper divisors (29335537).

97699679 is a wasteful number, since it uses less digits than its factorization.

97699679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487 (or 4480 counting only the distinct ones).

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

The square root of 97699679 is about 9884.3147966867. The cubic root of 97699679 is about 460.5721912363.

The spelling of 97699679 in words is "ninety-seven million, six hundred ninety-nine thousand, six hundred seventy-nine".