117509500 has 48 divisors (see below), whose sum is σ = 258148800. Its totient is φ = 46728000.

The previous prime is 117509477. The next prime is 117509527. The reversal of 117509500 is 5905711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98910 + ... + 100090.

It is an arithmetic number, because the mean of its divisors is an integer number (5378100).

Almost surely, 2^117509500 is an apocalyptic number.

117509500 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 117509500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129074400).

117509500 is an abundant number, since it is smaller than the sum of its proper divisors (140639300).

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

117509500 is a wasteful number, since it uses less digits than its factorization.

117509500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 117509500 is about 10840.1798878063. The cubic root of 117509500 is about 489.8062540985.

The spelling of 117509500 in words is "one hundred seventeen million, five hundred nine thousand, five hundred".