86615 has 8 divisors (see below), whose sum is σ = 110160. Its totient is φ = 65152.

The previous prime is 86599. The next prime is 86627. The reversal of 86615 is 51668.

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 86615 - 2⁴ = 86599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425 + ... + 594.

It is an arithmetic number, because the mean of its divisors is an integer number (13770).

2⁸⁶⁶¹⁵ is an apocalyptic number.

86615 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86615 is a deficient number, since it is larger than the sum of its proper divisors (23545).

86615 is a wasteful number, since it uses less digits than its factorization.

86615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its digits is 1440, while the sum is 26.

The square root of 86615 is about 294.3042643252. The cubic root of 86615 is about 44.2450173670.

The spelling of 86615 in words is "eighty-six thousand, six hundred fifteen".