117261886 has 64 divisors (see below), whose sum is σ = 222735744. Its totient is φ = 45158400.

The previous prime is 117261883. The next prime is 117261913. The reversal of 117261886 is 688162711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117261883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595140 + ... + 595336.

It is an arithmetic number, because the mean of its divisors is an integer number (3480246).

Almost surely, 2^117261886 is an apocalyptic number.

117261886 is a deficient number, since it is larger than the sum of its proper divisors (105473858).

117261886 is a wasteful number, since it uses less digits than its factorization.

117261886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its digits is 32256, while the sum is 40.

The square root of 117261886 is about 10828.7527444300. The cubic root of 117261886 is about 489.4619750571.

The spelling of 117261886 in words is "one hundred seventeen million, two hundred sixty-one thousand, eight hundred eighty-six".