85575109184 has 28 divisors (see below), whose sum is σ = 179802115884. Its totient is φ = 40270639104.

The previous prime is 85575109159. The next prime is 85575109199. The reversal of 85575109184 is 48190157558.

It can be written as a sum of positive squares in 2 ways, for example, as 67949891584 + 17625217600 = 260672^2 + 132760^2 .

It is a super-2 number, since 2×85575109184² (a number of 23 digits) contains 22 as substring.

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, 39325709 + ... + 39327884.

Almost surely, 2^85575109184 is an apocalyptic number.

It is an amenable number.

85575109184 is an abundant number, since it is smaller than the sum of its proper divisors (94227006700).

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

85575109184 is a wasteful number, since it uses less digits than its factorization.

85575109184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78653622 (or 78653612 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 53.

The spelling of 85575109184 in words is "eighty-five billion, five hundred seventy-five million, one hundred nine thousand, one hundred eighty-four".