79896596413 has 4 divisors (see below), whose sum is σ = 84596396220. Its totient is φ = 75196796608.

The previous prime is 79896596387. The next prime is 79896596431. The reversal of 79896596413 is 31469569897.

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 64230819844 + 15665776569 = 253438^2 + 125163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79896596413 is a prime.

It is a super-2 number, since 2×79896596413² (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 (79896594413) 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, 2349899878 + ... + 2349899911.

It is an arithmetic number, because the mean of its divisors is an integer number (21149099055).

Almost surely, 2^79896596413 is an apocalyptic number.

It is an amenable number.

79896596413 is a deficient number, since it is larger than the sum of its proper divisors (4699799807).

79896596413 is a wasteful number, since it uses less digits than its factorization.

79896596413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699799806.

The product of its digits is 88179840, while the sum is 67.

The spelling of 79896596413 in words is "seventy-nine billion, eight hundred ninety-six million, five hundred ninety-six thousand, four hundred thirteen".