828703427889 has 32 divisors (see below), whose sum is σ = 1134622089216. Its totient is φ = 537693425280.

The previous prime is 828703427879. The next prime is 828703427941. The reversal of 828703427889 is 988724307828.

It is not a de Polignac number, because 828703427889 - 2⁴ = 828703427873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (828703427879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119976774 + ... + 119983680.

It is an arithmetic number, because the mean of its divisors is an integer number (35456940288).

Almost surely, 2^828703427889 is an apocalyptic number.

It is an amenable number.

828703427889 is a deficient number, since it is larger than the sum of its proper divisors (305918661327).

828703427889 is a wasteful number, since it uses less digits than its factorization.

828703427889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9165.

The product of its (nonzero) digits is 86704128, while the sum is 66.

The spelling of 828703427889 in words is "eight hundred twenty-eight billion, seven hundred three million, four hundred twenty-seven thousand, eight hundred eighty-nine".