79535543696 has 40 divisors (see below), whose sum is σ = 176134560000. Its totient is φ = 34082763264.

The previous prime is 79535543687. The next prime is 79535543699. The reversal of 79535543696 is 69634553597.

It is a happy number.

It is a super-2 number, since 2×79535543696² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79535543699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080680 + ... + 1151928.

It is an arithmetic number, because the mean of its divisors is an integer number (4403364000).

Almost surely, 2^79535543696 is an apocalyptic number.

It is an amenable number.

79535543696 is an abundant number, since it is smaller than the sum of its proper divisors (96599016304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79535543696 is a wasteful number, since it uses less digits than its factorization.

79535543696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81231 (or 81225 counting only the distinct ones).

The product of its digits is 91854000, while the sum is 62.

Subtracting from 79535543696 its reverse (69634553597), we obtain a palindrome (9900990099).

The spelling of 79535543696 in words is "seventy-nine billion, five hundred thirty-five million, five hundred forty-three thousand, six hundred ninety-six".