117526866 has 8 divisors (see below), whose sum is σ = 235053744. Its totient is φ = 39175620.

The previous prime is 117526817. The next prime is 117526867. The reversal of 117526866 is 668625711.

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

117526866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (117526867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9793900 + ... + 9793911.

It is an arithmetic number, because the mean of its divisors is an integer number (29381718).

Almost surely, 2^117526866 is an apocalyptic number.

117526866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117526866 is a wasteful number, since it uses less digits than its factorization.

117526866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19587816.

The product of its digits is 120960, while the sum is 42.

The square root of 117526866 is about 10840.9808596824. The cubic root of 117526866 is about 489.8303813859.

The spelling of 117526866 in words is "one hundred seventeen million, five hundred twenty-six thousand, eight hundred sixty-six".