117927889 has 8 divisors (see below), whose sum is σ = 124397280. Its totient is φ = 111484800.

The previous prime is 117927883. The next prime is 117927899. The reversal of 117927889 is 988729711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117927889 - 2⁵ = 117927857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117927883) 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, 3009 + ... + 15649.

It is an arithmetic number, because the mean of its divisors is an integer number (15549660).

Almost surely, 2^117927889 is an apocalyptic number.

117927889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117927889 is a deficient number, since it is larger than the sum of its proper divisors (6469391).

117927889 is a wasteful number, since it uses less digits than its factorization.

117927889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13151.

The product of its digits is 508032, while the sum is 52.

The square root of 117927889 is about 10859.4608061358. The cubic root of 117927889 is about 490.3868789662.

The spelling of 117927889 in words is "one hundred seventeen million, nine hundred twenty-seven thousand, eight hundred eighty-nine".