85199063 has 2 divisors, whose sum is σ = 85199064. Its totient is φ = 85199062.

The previous prime is 85199047. The next prime is 85199083. The reversal of 85199063 is 36099158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85199063 - 2⁴ = 85199047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85199063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85199003) 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, 42599531 + 42599532.

It is an arithmetic number, because the mean of its divisors is an integer number (42599532).

Almost surely, 2^85199063 is an apocalyptic number.

85199063 is a deficient number, since it is larger than the sum of its proper divisors (1).

85199063 is an equidigital number, since it uses as much as digits as its factorization.

85199063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 85199063 is about 9230.3338509504. Note that the first 3 decimals coincide. The cubic root of 85199063 is about 440.0259333888.

The spelling of 85199063 in words is "eighty-five million, one hundred ninety-nine thousand, sixty-three".