828760866 has 32 divisors (see below), whose sum is σ = 1680307200. Its totient is φ = 272477904.

The previous prime is 828760861. The next prime is 828760873. The reversal of 828760866 is 668067828.

It is not an unprimeable number, because it can be changed into a prime (828760861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159985 + ... + 165083.

It is an arithmetic number, because the mean of its divisors is an integer number (52509600).

Almost surely, 2^828760866 is an apocalyptic number.

828760866 is an abundant number, since it is smaller than the sum of its proper divisors (851546334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828760866 is a wasteful number, since it uses less digits than its factorization.

828760866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 828760866 is about 28788.2070646993. The cubic root of 828760866 is about 939.3117287019.

The spelling of 828760866 in words is "eight hundred twenty-eight million, seven hundred sixty thousand, eight hundred sixty-six".