86488117 has 2 divisors, whose sum is σ = 86488118. Its totient is φ = 86488116.

The previous prime is 86488099. The next prime is 86488141. The reversal of 86488117 is 71188468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67469796 + 19018321 = 8214^2 + 4361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86488117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86488187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43244058 + 43244059.

It is an arithmetic number, because the mean of its divisors is an integer number (43244059).

Almost surely, 2^86488117 is an apocalyptic number.

It is an amenable number.

86488117 is a deficient number, since it is larger than the sum of its proper divisors (1).

86488117 is an equidigital number, since it uses as much as digits as its factorization.

86488117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 43.

The square root of 86488117 is about 9299.8987628898. The cubic root of 86488117 is about 442.2340184975.

The spelling of 86488117 in words is "eighty-six million, four hundred eighty-eight thousand, one hundred seventeen".