79010137663 has 4 divisors (see below), whose sum is σ = 79209156040. Its totient is φ = 78811119288.

The previous prime is 79010137651. The next prime is 79010137693. The reversal of 79010137663 is 36673101097.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79010137663 is a prime.

It is a super-2 number, since 2×79010137663² (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 (79010137603) 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, 99508593 + ... + 99509386.

It is an arithmetic number, because the mean of its divisors is an integer number (19802289010).

Almost surely, 2^79010137663 is an apocalyptic number.

79010137663 is a deficient number, since it is larger than the sum of its proper divisors (199018377).

79010137663 is a wasteful number, since it uses less digits than its factorization.

79010137663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199018376.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 79010137663 in words is "seventy-nine billion, ten million, one hundred thirty-seven thousand, six hundred sixty-three".