117776631 has 16 divisors (see below), whose sum is σ = 179705600. Its totient is φ = 67212288.

The previous prime is 117776621. The next prime is 117776651. The reversal of 117776631 is 136677711.

It is not a de Polignac number, because 117776631 - 2¹⁰ = 117775607 is a prime.

It is a super-2 number, since 2×117776631² = 27742669619420322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117776631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117776621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14775 + ... + 21303.

It is an arithmetic number, because the mean of its divisors is an integer number (11231600).

Almost surely, 2^117776631 is an apocalyptic number.

117776631 is a deficient number, since it is larger than the sum of its proper divisors (61928969).

117776631 is an equidigital number, since it uses as much as digits as its factorization.

117776631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398.

The product of its digits is 37044, while the sum is 39.

The square root of 117776631 is about 10852.4942294387. The cubic root of 117776631 is about 490.1771274115.

The spelling of 117776631 in words is "one hundred seventeen million, seven hundred seventy-six thousand, six hundred thirty-one".