828564814 has 24 divisors (see below), whose sum is σ = 1577195928. Its totient is φ = 322817040.

The previous prime is 828564809. The next prime is 828564839. The reversal of 828564814 is 418465828.

828564814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383229 + ... + 385384.

It is an arithmetic number, because the mean of its divisors is an integer number (65716497).

Almost surely, 2^828564814 is an apocalyptic number.

828564814 is a deficient number, since it is larger than the sum of its proper divisors (748631114).

828564814 is a wasteful number, since it uses less digits than its factorization.

828564814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768640 (or 768633 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The square root of 828564814 is about 28784.8017884438. The cubic root of 828564814 is about 939.2376548753.

The spelling of 828564814 in words is "eight hundred twenty-eight million, five hundred sixty-four thousand, eight hundred fourteen".