117017568 has 96 divisors (see below), whose sum is σ = 343768320. Its totient is φ = 38724480.

The previous prime is 117017557. The next prime is 117017609. The reversal of 117017568 is 865710711.

It is a happy number.

117017568 is a `hidden beast` number, since 11 + 70 + 17 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×117017568² = 27386222441269248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143883 + ... + 144693.

It is an arithmetic number, because the mean of its divisors is an integer number (3580920).

Almost surely, 2^117017568 is an apocalyptic number.

117017568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117017568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171884160).

117017568 is an abundant number, since it is smaller than the sum of its proper divisors (226750752).

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

117017568 is a wasteful number, since it uses less digits than its factorization.

117017568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 117017568 is about 10817.4658769973. The cubic root of 117017568 is about 489.1218033739.

The spelling of 117017568 in words is "one hundred seventeen million, seventeen thousand, five hundred sixty-eight".