82803811 has 2 divisors, whose sum is σ = 82803812. Its totient is φ = 82803810.

The previous prime is 82803803. The next prime is 82803823. The reversal of 82803811 is 11830828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82803811 - 2³ = 82803803 is a prime.

It is a super-2 number, since 2×82803811² = 13712942232247442, which contains 22 as substring.

It is a Chen prime.

It is equal to p_4823518 and since 82803811 and 4823518 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 (82801811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41401905 + 41401906.

It is an arithmetic number, because the mean of its divisors is an integer number (41401906).

Almost surely, 2^82803811 is an apocalyptic number.

82803811 is a deficient number, since it is larger than the sum of its proper divisors (1).

82803811 is an equidigital number, since it uses as much as digits as its factorization.

82803811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 82803811 is about 9099.6599387010. The cubic root of 82803811 is about 435.8631051160.

The spelling of 82803811 in words is "eighty-two million, eight hundred three thousand, eight hundred eleven".