79896336269 has 4 divisors (see below), whose sum is σ = 81250511520. Its totient is φ = 78542161020.

The previous prime is 79896336203. The next prime is 79896336329. The reversal of 79896336269 is 96263369897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79896336269 is a prime.

It is a super-2 number, since 2×79896336269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79896336199 and 79896336208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79896336469) 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, 677087537 + ... + 677087654.

It is an arithmetic number, because the mean of its divisors is an integer number (20312627880).

Almost surely, 2^79896336269 is an apocalyptic number.

It is an amenable number.

79896336269 is a deficient number, since it is larger than the sum of its proper divisors (1354175251).

79896336269 is a wasteful number, since it uses less digits than its factorization.

79896336269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354175250.

The product of its digits is 158723712, while the sum is 68.

The spelling of 79896336269 in words is "seventy-nine billion, eight hundred ninety-six million, three hundred thirty-six thousand, two hundred sixty-nine".