86944259 has 2 divisors, whose sum is σ = 86944260. Its totient is φ = 86944258.

The previous prime is 86944213. The next prime is 86944261. The reversal of 86944259 is 95244968.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86944259 is a prime.

Together with 86944261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86944289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43472129 + 43472130.

It is an arithmetic number, because the mean of its divisors is an integer number (43472130).

Almost surely, 2^86944259 is an apocalyptic number.

86944259 is a deficient number, since it is larger than the sum of its proper divisors (1).

86944259 is an equidigital number, since it uses as much as digits as its factorization.

86944259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 86944259 is about 9324.3905430864. The cubic root of 86944259 is about 443.0101093750.

The spelling of 86944259 in words is "eighty-six million, nine hundred forty-four thousand, two hundred fifty-nine".