117712042879 has 8 divisors (see below), whose sum is σ = 117902584800. Its totient is φ = 117521581056.

The previous prime is 117712042859. The next prime is 117712042951. The reversal of 117712042879 is 978240217711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 117712042879 - 2³³ = 109122108287 is a prime.

It is a super-2 number, since 2×117712042879² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117712042849) 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, 3379947 + ... + 3414595.

It is an arithmetic number, because the mean of its divisors is an integer number (14737823100).

Almost surely, 2^117712042879 is an apocalyptic number.

117712042879 is a deficient number, since it is larger than the sum of its proper divisors (190541921).

117712042879 is an equidigital number, since it uses as much as digits as its factorization.

117712042879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40049.

The product of its (nonzero) digits is 395136, while the sum is 49.

The spelling of 117712042879 in words is "one hundred seventeen billion, seven hundred twelve million, forty-two thousand, eight hundred seventy-nine".