117859900 has 36 divisors (see below), whose sum is σ = 257419288. Its totient is φ = 46837440.

The previous prime is 117859897. The next prime is 117859919. The reversal of 117859900 is 9958711.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11947 + ... + 19453.

Almost surely, 2^117859900 is an apocalyptic number.

117859900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117859900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128709644).

117859900 is an abundant number, since it is smaller than the sum of its proper divisors (139559388).

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

117859900 is a wasteful number, since it uses less digits than its factorization.

117859900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678 (or 7671 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 117859900 is about 10856.3299507707. The cubic root of 117859900 is about 490.2926198864.

The spelling of 117859900 in words is "one hundred seventeen million, eight hundred fifty-nine thousand, nine hundred".