86244427 has 2 divisors, whose sum is σ = 86244428. Its totient is φ = 86244426.

The previous prime is 86244419. The next prime is 86244467. The reversal of 86244427 is 72444268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86244427 - 2³ = 86244419 is a prime.

It is not a weakly prime, because it can be changed into another prime (86244407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43122213 + 43122214.

It is an arithmetic number, because the mean of its divisors is an integer number (43122214).

Almost surely, 2^86244427 is an apocalyptic number.

86244427 is a deficient number, since it is larger than the sum of its proper divisors (1).

86244427 is an equidigital number, since it uses as much as digits as its factorization.

86244427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 37.

The square root of 86244427 is about 9286.7877654224. The cubic root of 86244427 is about 441.8182797556.

The spelling of 86244427 in words is "eighty-six million, two hundred forty-four thousand, four hundred twenty-seven".