828232817 has 2 divisors, whose sum is σ = 828232818. Its totient is φ = 828232816.

The previous prime is 828232799. The next prime is 828232831. The reversal of 828232817 is 718232828.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752734096 + 75498721 = 27436^2 + 8689^2 .

It is a cyclic number.

It is not a de Polignac number, because 828232817 - 2¹⁶ = 828167281 is a prime.

It is not a weakly prime, because it can be changed into another prime (828222817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414116408 + 414116409.

It is an arithmetic number, because the mean of its divisors is an integer number (414116409).

Almost surely, 2^828232817 is an apocalyptic number.

It is an amenable number.

828232817 is a deficient number, since it is larger than the sum of its proper divisors (1).

828232817 is an equidigital number, since it uses as much as digits as its factorization.

828232817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 41.

The square root of 828232817 is about 28779.0343305678. The cubic root of 828232817 is about 939.1121906445.

The spelling of 828232817 in words is "eight hundred twenty-eight million, two hundred thirty-two thousand, eight hundred seventeen".