117597805 has 12 divisors (see below), whose sum is σ = 152808660. Its totient is φ = 86840832.

The previous prime is 117597791. The next prime is 117597829. The reversal of 117597805 is 508795711.

It can be written as a sum of positive squares in 6 ways, for example, as 28238596 + 89359209 = 5314^2 + 9453^2 .

It is not a de Polignac number, because 117597805 - 2⁷ = 117597677 is a prime.

It is a super-3 number, since 3×117597805³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68740 + ... + 70429.

It is an arithmetic number, because the mean of its divisors is an integer number (12734055).

Almost surely, 2^117597805 is an apocalyptic number.

It is an amenable number.

117597805 is a deficient number, since it is larger than the sum of its proper divisors (35210855).

117597805 is a wasteful number, since it uses less digits than its factorization.

117597805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139200 (or 139187 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 43.

The square root of 117597805 is about 10844.2521641651. The cubic root of 117597805 is about 489.9289151359.

The spelling of 117597805 in words is "one hundred seventeen million, five hundred ninety-seven thousand, eight hundred five".