828500011 has 4 divisors (see below), whose sum is σ = 828838312. Its totient is φ = 828161712.

The previous prime is 828500003. The next prime is 828500033. The reversal of 828500011 is 110005828.

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 828500011 - 2³ = 828500003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828500051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165450 + ... + 170383.

It is an arithmetic number, because the mean of its divisors is an integer number (207209578).

Almost surely, 2^828500011 is an apocalyptic number.

828500011 is a deficient number, since it is larger than the sum of its proper divisors (338301).

828500011 is a wasteful number, since it uses less digits than its factorization.

828500011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338300.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 828500011 is about 28783.6761203290. The cubic root of 828500011 is about 939.2131679538.

Adding to 828500011 its reverse (110005828), we get a palindrome (938505839).

The spelling of 828500011 in words is "eight hundred twenty-eight million, five hundred thousand, eleven".