117877215 has 8 divisors (see below), whose sum is σ = 188603568. Its totient is φ = 62867840.

The previous prime is 117877211. The next prime is 117877219. The reversal of 117877215 is 512778711.

It is an interprime number because it is at equal distance from previous prime (117877211) and next prime (117877219).

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

It is not a de Polignac number, because 117877215 - 2² = 117877211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117877211) 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, 3929226 + ... + 3929255.

It is an arithmetic number, because the mean of its divisors is an integer number (23575446).

Almost surely, 2^117877215 is an apocalyptic number.

117877215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117877215 is a deficient number, since it is larger than the sum of its proper divisors (70726353).

117877215 is an equidigital number, since it uses as much as digits as its factorization.

117877215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858489.

The product of its digits is 27440, while the sum is 39.

The square root of 117877215 is about 10857.1273825078. The cubic root of 117877215 is about 490.3166286205.

The spelling of 117877215 in words is "one hundred seventeen million, eight hundred seventy-seven thousand, two hundred fifteen".