117639580 has 12 divisors (see below), whose sum is σ = 247043160. Its totient is φ = 47055824.

The previous prime is 117639551. The next prime is 117639581. The reversal of 117639580 is 85936711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117639581) 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 3 ways as a sum of consecutive naturals, for example, 2940970 + ... + 2941009.

It is an arithmetic number, because the mean of its divisors is an integer number (20586930).

Almost surely, 2^117639580 is an apocalyptic number.

117639580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117639580 is an abundant number, since it is smaller than the sum of its proper divisors (129403580).

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

117639580 is a wasteful number, since it uses less digits than its factorization.

117639580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881988 (or 5881986 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 117639580 is about 10846.1781287235. The cubic root of 117639580 is about 489.9869217667.

The spelling of 117639580 in words is "one hundred seventeen million, six hundred thirty-nine thousand, five hundred eighty".