117285376 has 80 divisors (see below), whose sum is σ = 257108544. Its totient is φ = 53121024.

The previous prime is 117285373. The next prime is 117285383. The reversal of 117285376 is 673582711.

It is a super-2 number, since 2×117285376² = 27511718846922752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117285373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445821 + ... + 446083.

Almost surely, 2^117285376 is an apocalyptic number.

117285376 is a gapful number since it is divisible by the number (16) 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 117285376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128554272).

117285376 is an abundant number, since it is smaller than the sum of its proper divisors (139823168).

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

117285376 is an equidigital number, since it uses as much as digits as its factorization.

117285376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 345 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 117285376 is about 10829.8373025637. The cubic root of 117285376 is about 489.4946560203.

The spelling of 117285376 in words is "one hundred seventeen million, two hundred eighty-five thousand, three hundred seventy-six".