117091508 has 6 divisors (see below), whose sum is σ = 204910146. Its totient is φ = 58545752.

The previous prime is 117091487. The next prime is 117091517. The reversal of 117091508 is 805190711.

It can be written as a sum of positive squares in only one way, i.e., 84235684 + 32855824 = 9178^2 + 5732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14636435 + ... + 14636442.

It is an arithmetic number, because the mean of its divisors is an integer number (34151691).

Almost surely, 2^117091508 is an apocalyptic number.

It is an amenable number.

117091508 is a deficient number, since it is larger than the sum of its proper divisors (87818638).

117091508 is a wasteful number, since it uses less digits than its factorization.

117091508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29272881 (or 29272879 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 117091508 is about 10820.8829584281. The cubic root of 117091508 is about 489.2248022998.

The spelling of 117091508 in words is "one hundred seventeen million, ninety-one thousand, five hundred eight".