85223386952 has 60 divisors (see below), whose sum is σ = 175978449225. Its totient is φ = 38692489440.

The previous prime is 85223386931. The next prime is 85223386967. The reversal of 85223386952 is 25968332258.

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 62493000196 + 22730386756 = 249986^2 + 150766^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=206426.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85223386894 and 85223386903.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 99909758 + ... + 99910610.

Almost surely, 2^85223386952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85223386952

85223386952 is an abundant number, since it is smaller than the sum of its proper divisors (90755062273).

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

85223386952 is an frugal number, since it uses more digits than its factorization.

85223386952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 866 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 53.

The spelling of 85223386952 in words is "eighty-five billion, two hundred twenty-three million, three hundred eighty-six thousand, nine hundred fifty-two".