117707877 has 16 divisors (see below), whose sum is σ = 199294080. Its totient is φ = 67261536.

The previous prime is 117707833. The next prime is 117707879. The reversal of 117707877 is 778707711.

It is not a de Polignac number, because 117707877 - 2⁸ = 117707621 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117707879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311208 + ... + 311585.

It is an arithmetic number, because the mean of its divisors is an integer number (12455880).

Almost surely, 2^117707877 is an apocalyptic number.

It is an amenable number.

117707877 is a deficient number, since it is larger than the sum of its proper divisors (81586203).

117707877 is an equidigital number, since it uses as much as digits as its factorization.

117707877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622809 (or 622803 counting only the distinct ones).

The product of its (nonzero) digits is 134456, while the sum is 45.

The square root of 117707877 is about 10849.3261081046. The cubic root of 117707877 is about 490.0817259213.

The spelling of 117707877 in words is "one hundred seventeen million, seven hundred seven thousand, eight hundred seventy-seven".