79161195852 has 72 divisors (see below), whose sum is σ = 208888243200. Its totient is φ = 25229376480.

The previous prime is 79161195847. The next prime is 79161195859. The reversal of 79161195852 is 25859116197.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (79161195859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2126899 + ... + 2163797.

It is an arithmetic number, because the mean of its divisors is an integer number (2901225600).

Almost surely, 2^79161195852 is an apocalyptic number.

It is an amenable number.

79161195852 is an abundant number, since it is smaller than the sum of its proper divisors (129727047348).

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

79161195852 is a wasteful number, since it uses less digits than its factorization.

79161195852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39523 (or 39518 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 54.

The spelling of 79161195852 in words is "seventy-nine billion, one hundred sixty-one million, one hundred ninety-five thousand, eight hundred fifty-two".