79069887117 has 48 divisors (see below), whose sum is σ = 128529448320. Its totient is φ = 46476042624.

The previous prime is 79069887109. The next prime is 79069887119. The reversal of 79069887117 is 71178896097.

It is not a de Polignac number, because 79069887117 - 2³ = 79069887109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79069887119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1887198 + ... + 1928640.

It is an arithmetic number, because the mean of its divisors is an integer number (2677696840).

Almost surely, 2^79069887117 is an apocalyptic number.

It is an amenable number.

79069887117 is a deficient number, since it is larger than the sum of its proper divisors (49459561203).

79069887117 is a wasteful number, since it uses less digits than its factorization.

79069887117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42194 (or 42191 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 63.

The spelling of 79069887117 in words is "seventy-nine billion, sixty-nine million, eight hundred eighty-seven thousand, one hundred seventeen".