85199064 has 32 divisors (see below), whose sum is σ = 214080000. Its totient is φ = 28255392.

The previous prime is 85199063. The next prime is 85199083. The reversal of 85199064 is 46099158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85199063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144 + ... + 13695.

It is an arithmetic number, because the mean of its divisors is an integer number (6690000).

Almost surely, 2^85199064 is an apocalyptic number.

It is an amenable number.

85199064 is an abundant number, since it is smaller than the sum of its proper divisors (128880936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85199064 is a wasteful number, since it uses less digits than its factorization.

85199064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18047 (or 18043 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 85199064 is about 9230.3339051196. Note that the first 3 decimals coincide. The cubic root of 85199064 is about 440.0259351104.

The spelling of 85199064 in words is "eighty-five million, one hundred ninety-nine thousand, sixty-four".