85865150 has 72 divisors (see below), whose sum is σ = 188164296. Its totient is φ = 29064000.

The previous prime is 85865107. The next prime is 85865159. The reversal of 85865150 is 5156858.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85865159) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 247277 + ... + 247623.

It is an arithmetic number, because the mean of its divisors is an integer number (2613393).

Almost surely, 2^85865150 is an apocalyptic number.

85865150 is an abundant number, since it is smaller than the sum of its proper divisors (102299146).

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

85865150 is a wasteful number, since it uses less digits than its factorization.

85865150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 85865150 is about 9266.3450183986. The cubic root of 85865150 is about 441.1696668057.

The spelling of 85865150 in words is "eighty-five million, eight hundred sixty-five thousand, one hundred fifty".