86837117 has 2 divisors, whose sum is σ = 86837118. Its totient is φ = 86837116.

The previous prime is 86837111. The next prime is 86837123. The reversal of 86837117 is 71173868.

It is a balanced prime because it is at equal distance from previous prime (86837111) and next prime (86837123).

It can be written as a sum of positive squares in only one way, i.e., 78605956 + 8231161 = 8866^2 + 2869^2 .

It is a cyclic number.

It is not a de Polignac number, because 86837117 - 2⁸ = 86836861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86837111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43418558 + 43418559.

It is an arithmetic number, because the mean of its divisors is an integer number (43418559).

Almost surely, 2^86837117 is an apocalyptic number.

It is an amenable number.

86837117 is a deficient number, since it is larger than the sum of its proper divisors (1).

86837117 is an equidigital number, since it uses as much as digits as its factorization.

86837117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 41.

The square root of 86837117 is about 9318.6435171649. The cubic root of 86837117 is about 442.8280597868.

The spelling of 86837117 in words is "eighty-six million, eight hundred thirty-seven thousand, one hundred seventeen".