825973609872 has 20 divisors (see below), whose sum is σ = 2133765158960. Its totient is φ = 275324536608.

The previous prime is 825973609823. The next prime is 825973609873. The reversal of 825973609872 is 278906379528.

It is not an unprimeable number, because it can be changed into a prime (825973609873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8603891722 + ... + 8603891817.

It is an arithmetic number, because the mean of its divisors is an integer number (106688257948).

Almost surely, 2^825973609872 is an apocalyptic number.

It is an amenable number.

825973609872 is an abundant number, since it is smaller than the sum of its proper divisors (1307791549088).

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

825973609872 is a wasteful number, since it uses less digits than its factorization.

825973609872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17207783550 (or 17207783544 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 66.

The spelling of 825973609872 in words is "eight hundred twenty-five billion, nine hundred seventy-three million, six hundred nine thousand, eight hundred seventy-two".