84480811 has 2 divisors, whose sum is σ = 84480812. Its totient is φ = 84480810.

The previous prime is 84480763. The next prime is 84480833. The reversal of 84480811 is 11808448.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84480811 - 2⁹ = 84480299 is a prime.

It is not a weakly prime, because it can be changed into another prime (84480881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42240405 + 42240406.

It is an arithmetic number, because the mean of its divisors is an integer number (42240406).

Almost surely, 2^84480811 is an apocalyptic number.

84480811 is a deficient number, since it is larger than the sum of its proper divisors (1).

84480811 is an equidigital number, since it uses as much as digits as its factorization.

84480811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 84480811 is about 9191.3443521609. The cubic root of 84480811 is about 438.7859282867.

The spelling of 84480811 in words is "eighty-four million, four hundred eighty thousand, eight hundred eleven".