117291488 has 24 divisors (see below), whose sum is σ = 236552400. Its totient is φ = 57214720.

The previous prime is 117291463. The next prime is 117291497. The reversal of 117291488 is 884192711.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43388 + ... + 46011.

It is an arithmetic number, because the mean of its divisors is an integer number (9856350).

Almost surely, 2^117291488 is an apocalyptic number.

It is an amenable number.

117291488 is an abundant number, since it is smaller than the sum of its proper divisors (119260912).

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

117291488 is an equidigital number, since it uses as much as digits as its factorization.

117291488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89450 (or 89442 counting only the distinct ones).

The product of its digits is 32256, while the sum is 41.

The square root of 117291488 is about 10830.1194822587. The cubic root of 117291488 is about 489.5031587552.

The spelling of 117291488 in words is "one hundred seventeen million, two hundred ninety-one thousand, four hundred eighty-eight".