117287631839 has 8 divisors (see below), whose sum is σ = 134474016768. Its totient is φ = 100208999160.

The previous prime is 117287631821. The next prime is 117287631847. The reversal of 117287631839 is 938136782711.

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 117287631839 - 2²⁰ = 117286583263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117287631809) 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, 26935727 + ... + 26940080.

It is an arithmetic number, because the mean of its divisors is an integer number (16809252096).

Almost surely, 2^117287631839 is an apocalyptic number.

117287631839 is a deficient number, since it is larger than the sum of its proper divisors (17186384929).

117287631839 is an equidigital number, since it uses as much as digits as its factorization.

117287631839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53876125.

The product of its digits is 3048192, while the sum is 56.

The spelling of 117287631839 in words is "one hundred seventeen billion, two hundred eighty-seven million, six hundred thirty-one thousand, eight hundred thirty-nine".