825143487472 has 10 divisors (see below), whose sum is σ = 1598715507008. Its totient is φ = 412571743728.

The previous prime is 825143487367. The next prime is 825143487473. The reversal of 825143487472 is 274784341528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825143487473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25785733968 + ... + 25785733999.

Almost surely, 2^825143487472 is an apocalyptic number.

It is an amenable number.

825143487472 is a deficient number, since it is larger than the sum of its proper divisors (773572019536).

825143487472 is a wasteful number, since it uses less digits than its factorization.

825143487472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51571467975 (or 51571467969 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 55.

The spelling of 825143487472 in words is "eight hundred twenty-five billion, one hundred forty-three million, four hundred eighty-seven thousand, four hundred seventy-two".