117839500 has 24 divisors (see below), whose sum is σ = 257362560. Its totient is φ = 47135600.

The previous prime is 117839497. The next prime is 117839503. The reversal of 117839500 is 5938711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117839497) and next prime (117839503).

It is a super-2 number, since 2×117839500² = 27772295520500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117839503) 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, 117340 + ... + 118339.

It is an arithmetic number, because the mean of its divisors is an integer number (10723440).

Almost surely, 2^117839500 is an apocalyptic number.

117839500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117839500 is an abundant number, since it is smaller than the sum of its proper divisors (139523060).

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

117839500 is a wasteful number, since it uses less digits than its factorization.

117839500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235698 (or 235686 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 117839500 is about 10855.3903660808. The cubic root of 117839500 is about 490.2643305174.

The spelling of 117839500 in words is "one hundred seventeen million, eight hundred thirty-nine thousand, five hundred".