825788782 has 16 divisors (see below), whose sum is σ = 1524533472. Its totient is φ = 326685600.

The previous prime is 825788771. The next prime is 825788791. The reversal of 825788782 is 287887528.

It is a super-2 number, since 2×825788782² = 1363854224954087048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268469 + ... + 2268832.

It is an arithmetic number, because the mean of its divisors is an integer number (95283342).

Almost surely, 2^825788782 is an apocalyptic number.

825788782 is a deficient number, since it is larger than the sum of its proper divisors (698744690).

825788782 is a wasteful number, since it uses less digits than its factorization.

825788782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537323.

The product of its digits is 4014080, while the sum is 55.

The square root of 825788782 is about 28736.5408843862. The cubic root of 825788782 is about 938.1875374211.

The spelling of 825788782 in words is "eight hundred twenty-five million, seven hundred eighty-eight thousand, seven hundred eighty-two".