86281199 has 2 divisors, whose sum is σ = 86281200. Its totient is φ = 86281198.

The previous prime is 86281189. The next prime is 86281207. The reversal of 86281199 is 99118268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86281199 - 2¹⁶ = 86215663 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 (86281159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43140599 + 43140600.

It is an arithmetic number, because the mean of its divisors is an integer number (43140600).

Almost surely, 2^86281199 is an apocalyptic number.

86281199 is a deficient number, since it is larger than the sum of its proper divisors (1).

86281199 is an equidigital number, since it uses as much as digits as its factorization.

86281199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 44.

The square root of 86281199 is about 9288.7673563288. The cubic root of 86281199 is about 441.8810634580.

The spelling of 86281199 in words is "eighty-six million, two hundred eighty-one thousand, one hundred ninety-nine".