825376244447 has 8 divisors (see below), whose sum is σ = 875226355776. Its totient is φ = 775670418432.

The previous prime is 825376244431. The next prime is 825376244471. The reversal of 825376244447 is 744442673528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825376244447 - 2⁴ = 825376244431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 825376244392 and 825376244401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825376244047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36059543 + ... + 36082424.

It is an arithmetic number, because the mean of its divisors is an integer number (109403294472).

Almost surely, 2^825376244447 is an apocalyptic number.

825376244447 is a deficient number, since it is larger than the sum of its proper divisors (49850111329).

825376244447 is a wasteful number, since it uses less digits than its factorization.

825376244447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72142657.

The product of its digits is 36126720, while the sum is 56.

The spelling of 825376244447 in words is "eight hundred twenty-five billion, three hundred seventy-six million, two hundred forty-four thousand, four hundred forty-seven".