86916117 has 4 divisors (see below), whose sum is σ = 115888160. Its totient is φ = 57944076.

The previous prime is 86916107. The next prime is 86916119. The reversal of 86916117 is 71161968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86916117 - 2⁴ = 86916101 is a prime.

It is a super-2 number, since 2×86916117² = 15108822788715378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86916119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14486017 + ... + 14486022.

It is an arithmetic number, because the mean of its divisors is an integer number (28972040).

Almost surely, 2^86916117 is an apocalyptic number.

It is an amenable number.

86916117 is a deficient number, since it is larger than the sum of its proper divisors (28972043).

86916117 is a wasteful number, since it uses less digits than its factorization.

86916117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28972042.

The product of its digits is 18144, while the sum is 39.

The square root of 86916117 is about 9322.8813679034. The cubic root of 86916117 is about 442.9623065796.

The spelling of 86916117 in words is "eighty-six million, nine hundred sixteen thousand, one hundred seventeen".