117408487 has 8 divisors (see below), whose sum is σ = 134266016. Its totient is φ = 100572192.

The previous prime is 117408481. The next prime is 117408521. The reversal of 117408487 is 784804711.

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

It is not a de Polignac number, because 117408487 - 2¹⁹ = 116884199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117408481) 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, 9193 + ... + 17869.

It is an arithmetic number, because the mean of its divisors is an integer number (16783252).

Almost surely, 2^117408487 is an apocalyptic number.

117408487 is a deficient number, since it is larger than the sum of its proper divisors (16857529).

117408487 is an equidigital number, since it uses as much as digits as its factorization.

117408487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10617.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 117408487 is about 10835.5196921975. The cubic root of 117408487 is about 489.6658654975.

The spelling of 117408487 in words is "one hundred seventeen million, four hundred eight thousand, four hundred eighty-seven".