828576807 has 4 divisors (see below), whose sum is σ = 1104769080. Its totient is φ = 552384536.

The previous prime is 828576781. The next prime is 828576811. The reversal of 828576807 is 708675828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 828576807 - 2¹¹ = 828574759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 828576807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828576877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138096132 + ... + 138096137.

It is an arithmetic number, because the mean of its divisors is an integer number (276192270).

Almost surely, 2^828576807 is an apocalyptic number.

828576807 is a deficient number, since it is larger than the sum of its proper divisors (276192273).

828576807 is a wasteful number, since it uses less digits than its factorization.

828576807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276192272.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The square root of 828576807 is about 28785.0101094302. The cubic root of 828576807 is about 939.2421864954.

The spelling of 828576807 in words is "eight hundred twenty-eight million, five hundred seventy-six thousand, eight hundred seven".