117488775 has 12 divisors (see below), whose sum is σ = 194248232. Its totient is φ = 62660640.

The previous prime is 117488747. The next prime is 117488783. The reversal of 117488775 is 577884711.

It is not a de Polignac number, because 117488775 - 2⁵ = 117488743 is a prime.

It is a super-2 number, since 2×117488775² = 27607224502001250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783184 + ... + 783333.

Almost surely, 2^117488775 is an apocalyptic number.

117488775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117488775 is a deficient number, since it is larger than the sum of its proper divisors (76759457).

117488775 is a wasteful number, since it uses less digits than its factorization.

117488775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566530 (or 1566525 counting only the distinct ones).

The product of its digits is 439040, while the sum is 48.

The square root of 117488775 is about 10839.2239113324. The cubic root of 117488775 is about 489.7774569050. Note that the first 3 decimals are identical.

The spelling of 117488775 in words is "one hundred seventeen million, four hundred eighty-eight thousand, seven hundred seventy-five".