117919450 has 24 divisors (see below), whose sum is σ = 239270400. Its totient is φ = 42879600.

The previous prime is 117919433. The next prime is 117919471. The reversal of 117919450 is 54919711.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106650 + ... + 107749.

It is an arithmetic number, because the mean of its divisors is an integer number (9969600).

Almost surely, 2^117919450 is an apocalyptic number.

117919450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117919450 is an abundant number, since it is smaller than the sum of its proper divisors (121350950).

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

117919450 is a wasteful number, since it uses less digits than its factorization.

117919450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214422 (or 214417 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 117919450 is about 10859.0722439811. The cubic root of 117919450 is about 490.3751812142.

The spelling of 117919450 in words is "one hundred seventeen million, nine hundred nineteen thousand, four hundred fifty".