825839823704 has 16 divisors (see below), whose sum is σ = 1769656765200. Its totient is φ = 353931352992.

The previous prime is 825839823689. The next prime is 825839823719. The reversal of 825839823704 is 407328938528.

It is an interprime number because it is at equal distance from previous prime (825839823689) and next prime (825839823719).

It is a super-2 number, since 2×825839823704² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7373569799 + ... + 7373569910.

It is an arithmetic number, because the mean of its divisors is an integer number (110603547825).

Almost surely, 2^825839823704 is an apocalyptic number.

It is an amenable number.

825839823704 is an abundant number, since it is smaller than the sum of its proper divisors (943816941496).

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

825839823704 is a wasteful number, since it uses less digits than its factorization.

825839823704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14747139722 (or 14747139718 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 825839823704 in words is "eight hundred twenty-five billion, eight hundred thirty-nine million, eight hundred twenty-three thousand, seven hundred four".