117808632 has 24 divisors (see below), whose sum is σ = 319065240. Its totient is φ = 39269520.

The previous prime is 117808591. The next prime is 117808637. The reversal of 117808632 is 236808711.

117808632 is a `hidden beast` number, since 1 + 17 + 8 + 0 + 8 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×117808632² = 27757747547422848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117808637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 818044 + ... + 818187.

It is an arithmetic number, because the mean of its divisors is an integer number (13294385).

Almost surely, 2^117808632 is an apocalyptic number.

117808632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117808632 is an abundant number, since it is smaller than the sum of its proper divisors (201256608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117808632 is a wasteful number, since it uses less digits than its factorization.

117808632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636243 (or 1636236 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 117808632 is about 10853.9684908332. The cubic root of 117808632 is about 490.2215186110.

The spelling of 117808632 in words is "one hundred seventeen million, eight hundred eight thousand, six hundred thirty-two".