85508333188 has 12 divisors (see below), whose sum is σ = 149655114252. Its totient is φ = 42749729120.

The previous prime is 85508333159. The next prime is 85508333203. The reversal of 85508333188 is 88133380558.

It can be written as a sum of positive squares in 2 ways, for example, as 22526407744 + 62981925444 = 150088^2 + 250962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065823 + ... + 1143238.

It is an arithmetic number, because the mean of its divisors is an integer number (12471259521).

Almost surely, 2^85508333188 is an apocalyptic number.

It is an amenable number.

85508333188 is a deficient number, since it is larger than the sum of its proper divisors (64146781064).

85508333188 is a wasteful number, since it uses less digits than its factorization.

85508333188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218742 (or 2218740 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 85508333188 in words is "eighty-five billion, five hundred eight million, three hundred thirty-three thousand, one hundred eighty-eight".