117477790 has 16 divisors (see below), whose sum is σ = 220654368. Its totient is φ = 44947936.

The previous prime is 117477757. The next prime is 117477799. The reversal of 117477790 is 97774711.

It is a super-2 number, since 2×117477790² = 27602062286568200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117477799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255157 + ... + 255616.

It is an arithmetic number, because the mean of its divisors is an integer number (13790898).

Almost surely, 2^117477790 is an apocalyptic number.

117477790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117477790 is a deficient number, since it is larger than the sum of its proper divisors (103176578).

117477790 is a wasteful number, since it uses less digits than its factorization.

117477790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510803.

The product of its (nonzero) digits is 86436, while the sum is 43.

The square root of 117477790 is about 10838.7171750166. The cubic root of 117477790 is about 489.7621919770.

The spelling of 117477790 in words is "one hundred seventeen million, four hundred seventy-seven thousand, seven hundred ninety".