85625221452 has 12 divisors (see below), whose sum is σ = 199792183416. Its totient is φ = 28541740480.

The previous prime is 85625221439. The next prime is 85625221511. The reversal of 85625221452 is 25412252658.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3567717549 + ... + 3567717572.

It is an arithmetic number, because the mean of its divisors is an integer number (16649348618).

Almost surely, 2^85625221452 is an apocalyptic number.

It is an amenable number.

85625221452 is an abundant number, since it is smaller than the sum of its proper divisors (114166961964).

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

85625221452 is a wasteful number, since it uses less digits than its factorization.

85625221452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7135435128 (or 7135435126 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

The spelling of 85625221452 in words is "eighty-five billion, six hundred twenty-five million, two hundred twenty-one thousand, four hundred fifty-two".