117586887 has 16 divisors (see below), whose sum is σ = 172388352. Its totient is φ = 70701120.

The previous prime is 117586883. The next prime is 117586907. The reversal of 117586887 is 788685711.

It is not a de Polignac number, because 117586887 - 2² = 117586883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117586883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9838 + ... + 18219.

It is an arithmetic number, because the mean of its divisors is an integer number (10774272).

Almost surely, 2^117586887 is an apocalyptic number.

117586887 is a deficient number, since it is larger than the sum of its proper divisors (54801465).

117586887 is a wasteful number, since it uses less digits than its factorization.

117586887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28198.

The product of its digits is 752640, while the sum is 51.

The square root of 117586887 is about 10843.7487521613. The cubic root of 117586887 is about 489.9137526946.

The spelling of 117586887 in words is "one hundred seventeen million, five hundred eighty-six thousand, eight hundred eighty-seven".