79169344881 has 8 divisors (see below), whose sum is σ = 115155410784. Its totient is φ = 47981421120.

The previous prime is 79169344873. The next prime is 79169344979. The reversal of 79169344881 is 18844396197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79169344881 - 2³ = 79169344873 is a prime.

It is a super-2 number, since 2×79169344881² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79169344801) 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, 1199535496 + ... + 1199535561.

It is an arithmetic number, because the mean of its divisors is an integer number (14394426348).

Almost surely, 2^79169344881 is an apocalyptic number.

It is an amenable number.

79169344881 is a deficient number, since it is larger than the sum of its proper divisors (35986065903).

79169344881 is a wasteful number, since it uses less digits than its factorization.

79169344881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399071071.

The product of its digits is 10450944, while the sum is 60.

The spelling of 79169344881 in words is "seventy-nine billion, one hundred sixty-nine million, three hundred forty-four thousand, eight hundred eighty-one".