86117849 has 8 divisors (see below), whose sum is σ = 89449920. Its totient is φ = 82810000.

The previous prime is 86117839. The next prime is 86117851. The reversal of 86117849 is 94871168.

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 86117849 - 2⁸ = 86117593 is a prime.

It is a super-3 number, since 3×86117849³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86117839) 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, 1364 + ... + 13194.

It is an arithmetic number, because the mean of its divisors is an integer number (11181240).

Almost surely, 2^86117849 is an apocalyptic number.

It is an amenable number.

86117849 is a deficient number, since it is larger than the sum of its proper divisors (3332071).

86117849 is a wasteful number, since it uses less digits than its factorization.

86117849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111.

The product of its digits is 96768, while the sum is 44.

The square root of 86117849 is about 9279.9703124525. The cubic root of 86117849 is about 441.6020267254.

The spelling of 86117849 in words is "eighty-six million, one hundred seventeen thousand, eight hundred forty-nine".