86237897 has 2 divisors, whose sum is σ = 86237898. Its totient is φ = 86237896.

The previous prime is 86237867. The next prime is 86237927. The reversal of 86237897 is 79873268.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (86237867) and next prime (86237927).

It can be written as a sum of positive squares in only one way, i.e., 83101456 + 3136441 = 9116^2 + 1771^2 .

It is a cyclic number.

It is not a de Polignac number, because 86237897 - 2¹⁰ = 86236873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86237867) 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 as a sum of consecutive naturals, namely, 43118948 + 43118949.

It is an arithmetic number, because the mean of its divisors is an integer number (43118949).

Almost surely, 2^86237897 is an apocalyptic number.

It is an amenable number.

86237897 is a deficient number, since it is larger than the sum of its proper divisors (1).

86237897 is an equidigital number, since it uses as much as digits as its factorization.

86237897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 86237897 is about 9286.4361840267. The cubic root of 86237897 is about 441.8071287116.

The spelling of 86237897 in words is "eighty-six million, two hundred thirty-seven thousand, eight hundred ninety-seven".