117530280 has 96 divisors (see below), whose sum is σ = 436550400. Its totient is φ = 26863488.

The previous prime is 117530267. The next prime is 117530297. The reversal of 117530280 is 82035711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20800 + ... + 25839.

It is an arithmetic number, because the mean of its divisors is an integer number (4547400).

Almost surely, 2^117530280 is an apocalyptic number.

117530280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117530280 is an abundant number, since it is smaller than the sum of its proper divisors (319020120).

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

117530280 is a wasteful number, since it uses less digits than its factorization.

117530280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46663 (or 46656 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 117530280 is about 10841.1383166160. The cubic root of 117530280 is about 489.8351243149.

Adding to 117530280 its reverse (82035711), we get a palindrome (199565991).

The spelling of 117530280 in words is "one hundred seventeen million, five hundred thirty thousand, two hundred eighty".