117266280 has 64 divisors (see below), whose sum is σ = 353808000. Its totient is φ = 31092480.

The previous prime is 117266249. The next prime is 117266293. The reversal of 117266280 is 82662711.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19021 + ... + 24419.

It is an arithmetic number, because the mean of its divisors is an integer number (5528250).

Almost surely, 2^117266280 is an apocalyptic number.

117266280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117266280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176904000).

117266280 is an abundant number, since it is smaller than the sum of its proper divisors (236541720).

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

117266280 is a wasteful number, since it uses less digits than its factorization.

117266280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594 (or 5590 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 117266280 is about 10828.9556283143. The cubic root of 117266280 is about 489.4680886351.

The spelling of 117266280 in words is "one hundred seventeen million, two hundred sixty-six thousand, two hundred eighty".