79839871041 has 96 divisors (see below), whose sum is σ = 130437931008. Its totient is φ = 42485264640.

The previous prime is 79839871019. The next prime is 79839871057. The reversal of 79839871041 is 14017893897.

It is not a de Polignac number, because 79839871041 - 2⁵ = 79839871009 is a prime.

It is the 282560-th Hogben number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79839871141) by changing a digit.

It is a nontrivial repunit in base 282559.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 174704085 + ... + 174704541.

It is an arithmetic number, because the mean of its divisors is an integer number (1358728448).

Almost surely, 2^79839871041 is an apocalyptic number.

It is an amenable number.

79839871041 is a deficient number, since it is larger than the sum of its proper divisors (50598059967).

79839871041 is a wasteful number, since it uses less digits than its factorization.

79839871041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 79839871041 in words is "seventy-nine billion, eight hundred thirty-nine million, eight hundred seventy-one thousand, forty-one".