86297293 has 2 divisors, whose sum is σ = 86297294. Its totient is φ = 86297292.

The previous prime is 86297257. The next prime is 86297317. The reversal of 86297293 is 39279268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48191364 + 38105929 = 6942^2 + 6173^2 .

It is a cyclic number.

It is not a de Polignac number, because 86297293 - 2⁹ = 86296781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86297093) 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, 43148646 + 43148647.

It is an arithmetic number, because the mean of its divisors is an integer number (43148647).

Almost surely, 2^86297293 is an apocalyptic number.

It is an amenable number.

86297293 is a deficient number, since it is larger than the sum of its proper divisors (1).

86297293 is an equidigital number, since it uses as much as digits as its factorization.

86297293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 86297293 is about 9289.6336310965. The cubic root of 86297293 is about 441.9085363868.

The spelling of 86297293 in words is "eighty-six million, two hundred ninety-seven thousand, two hundred ninety-three".