97619691679 has 4 divisors (see below), whose sum is σ = 97629561160. Its totient is φ = 97609822200.

The previous prime is 97619691647. The next prime is 97619691707.

97619691679 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 97619691679 - 2⁵ = 97619691647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97619691079) 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, 4919889 + ... + 4939690.

It is an arithmetic number, because the mean of its divisors is an integer number (24407390290).

Almost surely, 2^97619691679 is an apocalyptic number.

97619691679 is a deficient number, since it is larger than the sum of its proper divisors (9869481).

97619691679 is an equidigital number, since it uses as much as digits as its factorization.

97619691679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9869480.

The product of its digits is 69441624, while the sum is 70.

The spelling of 97619691679 in words is "ninety-seven billion, six hundred nineteen million, six hundred ninety-one thousand, six hundred seventy-nine".