117676815 has 8 divisors (see below), whose sum is σ = 188282928. Its totient is φ = 62760960.

The previous prime is 117676813. The next prime is 117676829. The reversal of 117676815 is 518676711.

It is a happy number.

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

It is not a de Polignac number, because 117676815 - 2¹ = 117676813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117676813) 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, 3922546 + ... + 3922575.

It is an arithmetic number, because the mean of its divisors is an integer number (23535366).

Almost surely, 2^117676815 is an apocalyptic number.

117676815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117676815 is a deficient number, since it is larger than the sum of its proper divisors (70606113).

117676815 is an equidigital number, since it uses as much as digits as its factorization.

117676815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845129.

The product of its digits is 70560, while the sum is 42.

The square root of 117676815 is about 10847.8944961684. The cubic root of 117676815 is about 490.0386128117.

The spelling of 117676815 in words is "one hundred seventeen million, six hundred seventy-six thousand, eight hundred fifteen".