117768887 has 8 divisors (see below), whose sum is σ = 120441600. Its totient is φ = 115103224.

The previous prime is 117768853. The next prime is 117768953. The reversal of 117768887 is 788867711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117768887 - 2⁶ = 117768823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117768187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46664 + ... + 49122.

It is an arithmetic number, because the mean of its divisors is an integer number (15055200).

Almost surely, 2^117768887 is an apocalyptic number.

117768887 is a deficient number, since it is larger than the sum of its proper divisors (2672713).

117768887 is a wasteful number, since it uses less digits than its factorization.

117768887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its digits is 1053696, while the sum is 53.

The square root of 117768887 is about 10852.1374392329. The cubic root of 117768887 is about 490.1663838685.

The spelling of 117768887 in words is "one hundred seventeen million, seven hundred sixty-eight thousand, eight hundred eighty-seven".