117234591278 has 16 divisors (see below), whose sum is σ = 200999574240. Its totient is φ = 50236898976.

The previous prime is 117234591263. The next prime is 117234591283. The reversal of 117234591278 is 872195432711.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428501 + ... + 646592.

It is an arithmetic number, because the mean of its divisors is an integer number (12562473390).

Almost surely, 2^117234591278 is an apocalyptic number.

117234591278 is a deficient number, since it is larger than the sum of its proper divisors (83764982962).

117234591278 is a wasteful number, since it uses less digits than its factorization.

117234591278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082891.

The product of its digits is 846720, while the sum is 50.

The spelling of 117234591278 in words is "one hundred seventeen billion, two hundred thirty-four million, five hundred ninety-one thousand, two hundred seventy-eight".