85993199 has 2 divisors, whose sum is σ = 85993200. Its totient is φ = 85993198.

The previous prime is 85993181. The next prime is 85993231. The reversal of 85993199 is 99139958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85993199 - 2⁸ = 85992943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85993199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85993109) 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, 42996599 + 42996600.

It is an arithmetic number, because the mean of its divisors is an integer number (42996600).

Almost surely, 2^85993199 is an apocalyptic number.

85993199 is a deficient number, since it is larger than the sum of its proper divisors (1).

85993199 is an equidigital number, since it uses as much as digits as its factorization.

85993199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320, while the sum is 53.

The square root of 85993199 is about 9273.2518029006. The cubic root of 85993199 is about 441.3888604151.

The spelling of 85993199 in words is "eighty-five million, nine hundred ninety-three thousand, one hundred ninety-nine".