97699899679 has 8 divisors (see below), whose sum is σ = 98005444992. Its totient is φ = 97394797080.

The previous prime is 97699899667. The next prime is 97699899683.

97699899679 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97699899679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97699899679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97699899179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334164 + ... + 554134.

It is an arithmetic number, because the mean of its divisors is an integer number (12250680624).

Almost surely, 2^97699899679 is an apocalyptic number.

97699899679 is a deficient number, since it is larger than the sum of its proper divisors (305545313).

97699899679 is a wasteful number, since it uses less digits than its factorization.

97699899679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221357.

The product of its digits is 7499695392, while the sum is 88.

The spelling of 97699899679 in words is "ninety-seven billion, six hundred ninety-nine million, eight hundred ninety-nine thousand, six hundred seventy-nine".