825832875085 has 4 divisors (see below), whose sum is σ = 990999450108. Its totient is φ = 660666300064.

The previous prime is 825832875079. The next prime is 825832875113. The reversal of 825832875085 is 580578238528.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 348380896644 + 477451978441 = 590238^2 + 690979^2 .

It is a cyclic number.

It is not a de Polignac number, because 825832875085 - 2²³ = 825824486477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82583287504 + ... + 82583287513.

It is an arithmetic number, because the mean of its divisors is an integer number (247749862527).

Almost surely, 2^825832875085 is an apocalyptic number.

It is an amenable number.

825832875085 is a deficient number, since it is larger than the sum of its proper divisors (165166575023).

825832875085 is a wasteful number, since it uses less digits than its factorization.

825832875085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165166575022.

The product of its (nonzero) digits is 43008000, while the sum is 61.

The spelling of 825832875085 in words is "eight hundred twenty-five billion, eight hundred thirty-two million, eight hundred seventy-five thousand, eighty-five".