828815011 has 2 divisors, whose sum is σ = 828815012. Its totient is φ = 828815010.

The previous prime is 828815003. The next prime is 828815047. The reversal of 828815011 is 110518828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828815011 - 2³ = 828815003 is a prime.

It is equal to p_42550747 and since 828815011 and 42550747 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (828885011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414407505 + 414407506.

It is an arithmetic number, because the mean of its divisors is an integer number (414407506).

Almost surely, 2^828815011 is an apocalyptic number.

828815011 is a deficient number, since it is larger than the sum of its proper divisors (1).

828815011 is an equidigital number, since it uses as much as digits as its factorization.

828815011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 34.

The square root of 828815011 is about 28789.1474517743. The cubic root of 828815011 is about 939.3321841103.

The spelling of 828815011 in words is "eight hundred twenty-eight million, eight hundred fifteen thousand, eleven".