117594820 has 24 divisors (see below), whose sum is σ = 282227904. Its totient is φ = 40318176.

The previous prime is 117594817. The next prime is 117594821. The reversal of 117594820 is 28495711.

It is a self number, because there is not a number n which added to its sum of digits gives 117594820.

It is not an unprimeable number, because it can be changed into a prime (117594821) 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 7 ways as a sum of consecutive naturals, for example, 419842 + ... + 420121.

It is an arithmetic number, because the mean of its divisors is an integer number (11759496).

Almost surely, 2^117594820 is an apocalyptic number.

117594820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117594820 is an abundant number, since it is smaller than the sum of its proper divisors (164633084).

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

117594820 is a wasteful number, since it uses less digits than its factorization.

117594820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839979 (or 839977 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 117594820 is about 10844.1145327777. The cubic root of 117594820 is about 489.9247697915.

The spelling of 117594820 in words is "one hundred seventeen million, five hundred ninety-four thousand, eight hundred twenty".