825257725772 has 12 divisors (see below), whose sum is σ = 1458500040816. Its totient is φ = 408543428400.

The previous prime is 825257725723. The next prime is 825257725807. The reversal of 825257725772 is 277527752528.

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, 1021358168 + ... + 1021358975.

It is an arithmetic number, because the mean of its divisors is an integer number (121541670068).

Almost surely, 2^825257725772 is an apocalyptic number.

It is an amenable number.

825257725772 is a deficient number, since it is larger than the sum of its proper divisors (633242315044).

825257725772 is a wasteful number, since it uses less digits than its factorization.

825257725772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042717248 (or 2042717246 counting only the distinct ones).

The product of its digits is 38416000, while the sum is 59.

The spelling of 825257725772 in words is "eight hundred twenty-five billion, two hundred fifty-seven million, seven hundred twenty-five thousand, seven hundred seventy-two".