85085199 has 12 divisors (see below), whose sum is σ = 124169136. Its totient is φ = 56138112.

The previous prime is 85085197. The next prime is 85085201. The reversal of 85085199 is 99158058.

85085199 is a `hidden beast` number, since 8 + 508 + 51 + 99 = 666.

It is an interprime number because it is at equal distance from previous prime (85085197) and next prime (85085201).

It is not a de Polignac number, because 85085199 - 2¹ = 85085197 is a prime.

It is a super-4 number, since 4×85085199⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85085191) 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 in 11 ways as a sum of consecutive naturals, for example, 47859 + ... + 49604.

It is an arithmetic number, because the mean of its divisors is an integer number (10347428).

Almost surely, 2^85085199 is an apocalyptic number.

85085199 is a deficient number, since it is larger than the sum of its proper divisors (39083937).

85085199 is a wasteful number, since it uses less digits than its factorization.

85085199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97566 (or 97563 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 85085199 is about 9224.1638645462. The cubic root of 85085199 is about 439.8298222747.

The spelling of 85085199 in words is "eighty-five million, eighty-five thousand, one hundred ninety-nine".