86044999 has 2 divisors, whose sum is σ = 86045000. Its totient is φ = 86044998.

The previous prime is 86044957. The next prime is 86045009. The reversal of 86044999 is 99944068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86044999 - 2⁹ = 86044487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86044919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43022499 + 43022500.

It is an arithmetic number, because the mean of its divisors is an integer number (43022500).

Almost surely, 2^86044999 is an apocalyptic number.

86044999 is a deficient number, since it is larger than the sum of its proper divisors (1).

86044999 is an equidigital number, since it uses as much as digits as its factorization.

86044999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 86044999 is about 9276.0443616878. The cubic root of 86044999 is about 441.4774695683.

The spelling of 86044999 in words is "eighty-six million, forty-four thousand, nine hundred ninety-nine".