117090877 has 4 divisors (see below), whose sum is σ = 118573120. Its totient is φ = 115608636.

The previous prime is 117090821. The next prime is 117090889. The reversal of 117090877 is 778090711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117090877 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 (117090817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741003 + ... + 741160.

It is an arithmetic number, because the mean of its divisors is an integer number (29643280).

Almost surely, 2^117090877 is an apocalyptic number.

It is an amenable number.

117090877 is a deficient number, since it is larger than the sum of its proper divisors (1482243).

117090877 is an equidigital number, since it uses as much as digits as its factorization.

117090877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482242.

The product of its (nonzero) digits is 24696, while the sum is 40.

The square root of 117090877 is about 10820.8538018033. The cubic root of 117090877 is about 489.2239234960.

The spelling of 117090877 in words is "one hundred seventeen million, ninety thousand, eight hundred seventy-seven".