117932805 has 24 divisors (see below), whose sum is σ = 204703200. Its totient is φ = 62809440.

The previous prime is 117932803. The next prime is 117932807. The reversal of 117932805 is 508239711.

It is an interprime number because it is at equal distance from previous prime (117932803) and next prime (117932807).

It is not a de Polignac number, because 117932805 - 2¹ = 117932803 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117932805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117932803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42346 + ... + 45044.

It is an arithmetic number, because the mean of its divisors is an integer number (8529300).

Almost surely, 2^117932805 is an apocalyptic number.

117932805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117932805 is a deficient number, since it is larger than the sum of its proper divisors (86770395).

117932805 is a wasteful number, since it uses less digits than its factorization.

117932805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3678 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 117932805 is about 10859.6871501899. The cubic root of 117932805 is about 490.3936930411.

The spelling of 117932805 in words is "one hundred seventeen million, nine hundred thirty-two thousand, eight hundred five".