85938199 has 2 divisors, whose sum is σ = 85938200. Its totient is φ = 85938198.

The previous prime is 85938163. The next prime is 85938211. The reversal of 85938199 is 99183958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85938199 - 2¹³ = 85930007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85938499) 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, 42969099 + 42969100.

It is an arithmetic number, because the mean of its divisors is an integer number (42969100).

Almost surely, 2^85938199 is an apocalyptic number.

85938199 is a deficient number, since it is larger than the sum of its proper divisors (1).

85938199 is an equidigital number, since it uses as much as digits as its factorization.

85938199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 52.

The square root of 85938199 is about 9270.2858100492. The cubic root of 85938199 is about 441.2947383797.

The spelling of 85938199 in words is "eighty-five million, nine hundred thirty-eight thousand, one hundred ninety-nine".