828116885 has 8 divisors (see below), whose sum is σ = 994676280. Its totient is φ = 661869504.

The previous prime is 828116879. The next prime is 828116911. The reversal of 828116885 is 588611828.

828116885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 297183121 + 530933764 = 17239^2 + 23042^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 828116885 - 2⁸ = 828116629 is a prime.

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, 72122 + ... + 82811.

It is an arithmetic number, because the mean of its divisors is an integer number (124334535).

Almost surely, 2^828116885 is an apocalyptic number.

It is an amenable number.

828116885 is a deficient number, since it is larger than the sum of its proper divisors (166559395).

828116885 is a wasteful number, since it uses less digits than its factorization.

828116885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156007.

The product of its digits is 245760, while the sum is 47.

The square root of 828116885 is about 28777.0200854779. The cubic root of 828116885 is about 939.0683711481.

The spelling of 828116885 in words is "eight hundred twenty-eight million, one hundred sixteen thousand, eight hundred eighty-five".