85500007506 has 12 divisors (see below), whose sum is σ = 185250016302. Its totient is φ = 28500002496.

The previous prime is 85500007501. The next prime is 85500007507. The reversal of 85500007506 is 60570000558.

85500007506 is a `hidden beast` number, since 85 + 500 + 0 + 0 + 75 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46766225025 + 38733782481 = 216255^2 + 196809^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85500007501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2375000191 + ... + 2375000226.

Almost surely, 2^85500007506 is an apocalyptic number.

85500007506 is an abundant number, since it is smaller than the sum of its proper divisors (99750008796).

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

85500007506 is a wasteful number, since it uses less digits than its factorization.

85500007506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4750000425 (or 4750000422 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 85500007506 in words is "eighty-five billion, five hundred million, seven thousand, five hundred six".