117761013 has 8 divisors (see below), whose sum is σ = 174460800. Its totient is φ = 78507324.

The previous prime is 117761011. The next prime is 117761027. The reversal of 117761013 is 310167711.

It is not a de Polignac number, because 117761013 - 2¹ = 117761011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4361519 = 117761013 / (1 + 1 + 7 + 7 + 6 + 1 + 0 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117761011) 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, 2180733 + ... + 2180786.

It is an arithmetic number, because the mean of its divisors is an integer number (21807600).

Almost surely, 2^117761013 is an apocalyptic number.

It is an amenable number.

117761013 is a deficient number, since it is larger than the sum of its proper divisors (56699787).

117761013 is an equidigital number, since it uses as much as digits as its factorization.

117761013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361528 (or 4361522 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 117761013 is about 10851.7746474943. The cubic root of 117761013 is about 490.1554594888.

The spelling of 117761013 in words is "one hundred seventeen million, seven hundred sixty-one thousand, thirteen".