825773646980 has 96 divisors (see below), whose sum is σ = 1800175104000. Its totient is φ = 317851632000.

The previous prime is 825773646941. The next prime is 825773647001. The reversal of 825773646980 is 89646377528.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196097075 + ... + 196101285.

It is an arithmetic number, because the mean of its divisors is an integer number (18751824000).

Almost surely, 2^825773646980 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 825773646980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900087552000).

825773646980 is an abundant number, since it is smaller than the sum of its proper divisors (974401457020).

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

825773646980 is a wasteful number, since it uses less digits than its factorization.

825773646980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961 (or 5959 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 825773646980 in words is "eight hundred twenty-five billion, seven hundred seventy-three million, six hundred forty-six thousand, nine hundred eighty".