117118647 has 24 divisors (see below), whose sum is σ = 171737280. Its totient is φ = 76904640.

The previous prime is 117118609. The next prime is 117118649. The reversal of 117118647 is 746811711.

117118647 is a `hidden beast` number, since 1 + 1 + 7 + 1 + 1 + 8 + 647 = 666.

It is not a de Polignac number, because 117118647 - 2⁶ = 117118583 is a prime.

It is a super-2 number, since 2×117118647² = 27433554950221218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117118649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271522 + ... + 271952.

It is an arithmetic number, because the mean of its divisors is an integer number (7155720).

Almost surely, 2^117118647 is an apocalyptic number.

117118647 is a deficient number, since it is larger than the sum of its proper divisors (54618633).

117118647 is a wasteful number, since it uses less digits than its factorization.

117118647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 820 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 117118647 is about 10822.1368961957. The cubic root of 117118647 is about 489.2625962341.

The spelling of 117118647 in words is "one hundred seventeen million, one hundred eighteen thousand, six hundred forty-seven".