85199037 has 32 divisors (see below), whose sum is σ = 144322560. Its totient is φ = 43417920.

The previous prime is 85199027. The next prime is 85199047. The reversal of 85199037 is 73099158.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85199027) and next prime (85199047).

It is not a de Polignac number, because 85199037 - 2⁶ = 85198973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85199037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85199027) 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 31 ways as a sum of consecutive naturals, for example, 8764 + ... + 15722.

It is an arithmetic number, because the mean of its divisors is an integer number (4510080).

Almost surely, 2^85199037 is an apocalyptic number.

It is an amenable number.

85199037 is a deficient number, since it is larger than the sum of its proper divisors (59123523).

85199037 is a wasteful number, since it uses less digits than its factorization.

85199037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 85199037 is about 9230.3324425505. The cubic root of 85199037 is about 440.0258886283.

The spelling of 85199037 in words is "eighty-five million, one hundred ninety-nine thousand, thirty-seven".