97657275679 has 8 divisors (see below), whose sum is σ = 98238959280. Its totient is φ = 97075790016.

The previous prime is 97657275629. The next prime is 97657275757.

97657275679 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 not a de Polignac number, because 97657275679 - 2⁹ = 97657275167 is a prime.

It is a super-2 number, since 2×97657275679² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97657275629) 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, 1007044 + ... + 1099750.

It is an arithmetic number, because the mean of its divisors is an integer number (12279869910).

Almost surely, 2^97657275679 is an apocalyptic number.

97657275679 is a deficient number, since it is larger than the sum of its proper divisors (581683601).

97657275679 is a wasteful number, since it uses less digits than its factorization.

97657275679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98969.

The product of its digits is 350065800, while the sum is 70.

The spelling of 97657275679 in words is "ninety-seven billion, six hundred fifty-seven million, two hundred seventy-five thousand, six hundred seventy-nine".