85567225928 has 12 divisors (see below), whose sum is σ = 160440099945. Its totient is φ = 42783199280.

The previous prime is 85567225901. The next prime is 85567225943. The reversal of 85567225928 is 82952276558.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 84563476804 + 1003749124 = 290798^2 + 31682^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=206842.

It is a super-2 number, since 2×85567225928² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 775658 + ... + 879078.

Almost surely, 2^85567225928 is an apocalyptic number.

It is an amenable number.

85567225928 is a deficient number, since it is larger than the sum of its proper divisors (74872874017).

85567225928 is an frugal number, since it uses more digits than its factorization.

85567225928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206848 (or 103423 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 59.

The spelling of 85567225928 in words is "eighty-five billion, five hundred sixty-seven million, two hundred twenty-five thousand, nine hundred twenty-eight".