86020399 has 2 divisors, whose sum is σ = 86020400. Its totient is φ = 86020398.

The previous prime is 86020393. The next prime is 86020421. The reversal of 86020399 is 99302068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86020399 - 2¹⁷ = 85889327 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 (86020393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43010199 + 43010200.

It is an arithmetic number, because the mean of its divisors is an integer number (43010200).

Almost surely, 2^86020399 is an apocalyptic number.

86020399 is a deficient number, since it is larger than the sum of its proper divisors (1).

86020399 is an equidigital number, since it uses as much as digits as its factorization.

86020399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 86020399 is about 9274.7182706538. The cubic root of 86020399 is about 441.4353932089.

The spelling of 86020399 in words is "eighty-six million, twenty thousand, three hundred ninety-nine".