85824563425 has 12 divisors (see below), whose sum is σ = 106454226796. Its totient is φ = 68639155200.

The previous prime is 85824563417. The next prime is 85824563431. The reversal of 85824563425 is 52436542858.

It can be written as a sum of positive squares in 6 ways, for example, as 2020682304 + 83803881121 = 44952^2 + 289489^2 .

It is not a de Polignac number, because 85824563425 - 2³ = 85824563417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426684 + ... + 594733.

Almost surely, 2^85824563425 is an apocalyptic number.

It is an amenable number.

85824563425 is a deficient number, since it is larger than the sum of its proper divisors (20629663371).

85824563425 is a wasteful number, since it uses less digits than its factorization.

85824563425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024788 (or 1024783 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 52.

The spelling of 85824563425 in words is "eighty-five billion, eight hundred twenty-four million, five hundred sixty-three thousand, four hundred twenty-five".