117887320 has 32 divisors (see below), whose sum is σ = 274395600. Its totient is φ = 45528448.

The previous prime is 117887303. The next prime is 117887321. The reversal of 117887320 is 23788711.

It is a self number, because there is not a number n which added to its sum of digits gives 117887320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117887321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49654 + ... + 51973.

Almost surely, 2^117887320 is an apocalyptic number.

117887320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117887320 is an abundant number, since it is smaller than the sum of its proper divisors (156508280).

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

117887320 is a wasteful number, since it uses less digits than its factorization.

117887320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101667 (or 101663 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 117887320 is about 10857.5927350403. The cubic root of 117887320 is about 490.3306389842.

The spelling of 117887320 in words is "one hundred seventeen million, eight hundred eighty-seven thousand, three hundred twenty".