85508073 has 24 divisors (see below), whose sum is σ = 144975168. Its totient is φ = 47539872.

The previous prime is 85508053. The next prime is 85508081. The reversal of 85508073 is 37080558.

It is a happy number.

85508073 is a `hidden beast` number, since 85 + 508 + 0 + 73 = 666.

It is not a de Polignac number, because 85508073 - 2¹³ = 85499881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85508053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16011 + ... + 20672.

It is an arithmetic number, because the mean of its divisors is an integer number (6040632).

Almost surely, 2^85508073 is an apocalyptic number.

It is an amenable number.

85508073 is a deficient number, since it is larger than the sum of its proper divisors (59467095).

85508073 is a wasteful number, since it uses less digits than its factorization.

85508073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36733 (or 36730 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 85508073 is about 9247.0575319936. The cubic root of 85508073 is about 440.5572708332.

The spelling of 85508073 in words is "eighty-five million, five hundred eight thousand, seventy-three".