825042884 has 12 divisors (see below), whose sum is σ = 1444579500. Its totient is φ = 412305888.

The previous prime is 825042857. The next prime is 825042893. The reversal of 825042884 is 488240528.

It can be written as a sum of positive squares in 2 ways, for example, as 320052100 + 504990784 = 17890^2 + 22472^2 .

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, 45119 + ... + 60710.

It is an arithmetic number, because the mean of its divisors is an integer number (120381625).

Almost surely, 2^825042884 is an apocalyptic number.

It is an amenable number.

825042884 is a deficient number, since it is larger than the sum of its proper divisors (619536616).

825042884 is a wasteful number, since it uses less digits than its factorization.

825042884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107782 (or 107780 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 825042884 is about 28723.5597376091. The cubic root of 825042884 is about 937.9049780767.

The spelling of 825042884 in words is "eight hundred twenty-five million, forty-two thousand, eight hundred eighty-four".