828266507 has 2 divisors, whose sum is σ = 828266508. Its totient is φ = 828266506.

The previous prime is 828266489. The next prime is 828266521. The reversal of 828266507 is 705662828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 828266507 - 2⁶ = 828266443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (828266567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414133253 + 414133254.

It is an arithmetic number, because the mean of its divisors is an integer number (414133254).

Almost surely, 2^828266507 is an apocalyptic number.

828266507 is a deficient number, since it is larger than the sum of its proper divisors (1).

828266507 is an equidigital number, since it uses as much as digits as its factorization.

828266507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 828266507 is about 28779.6196465485. The cubic root of 828266507 is about 939.1249238841.

The spelling of 828266507 in words is "eight hundred twenty-eight million, two hundred sixty-six thousand, five hundred seven".