808821283 has 2 divisors, whose sum is σ = 808821284. Its totient is φ = 808821282.

The previous prime is 808821229. The next prime is 808821331. The reversal of 808821283 is 382128808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808821283 - 2²⁵ = 775266851 is a prime.

It is not a weakly prime, because it can be changed into another prime (808821983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404410641 + 404410642.

It is an arithmetic number, because the mean of its divisors is an integer number (404410642).

Almost surely, 2^808821283 is an apocalyptic number.

808821283 is a deficient number, since it is larger than the sum of its proper divisors (1).

808821283 is an equidigital number, since it uses as much as digits as its factorization.

808821283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 808821283 is about 28439.7834555750. The cubic root of 808821283 is about 931.7173658846.

The spelling of 808821283 in words is "eight hundred eight million, eight hundred twenty-one thousand, two hundred eighty-three".