79632423697 has 4 divisors (see below), whose sum is σ = 80036649396. Its totient is φ = 79228198000.

The previous prime is 79632423631. The next prime is 79632423701.

79632423697 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70004693056 + 9627730641 = 264584^2 + 98121^2 .

It is a cyclic number.

It is not a de Polignac number, because 79632423697 - 2²³ = 79624035089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79632423797) 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 3 ways as a sum of consecutive naturals, for example, 202112554 + ... + 202112947.

It is an arithmetic number, because the mean of its divisors is an integer number (20009162349).

Almost surely, 2^79632423697 is an apocalyptic number.

It is an amenable number.

79632423697 is a deficient number, since it is larger than the sum of its proper divisors (404225699).

79632423697 is a wasteful number, since it uses less digits than its factorization.

79632423697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404225698.

The product of its digits is 20575296, while the sum is 58.

The spelling of 79632423697 in words is "seventy-nine billion, six hundred thirty-two million, four hundred twenty-three thousand, six hundred ninety-seven".