84602891 has 2 divisors, whose sum is σ = 84602892. Its totient is φ = 84602890.

The previous prime is 84602827. The next prime is 84602909. The reversal of 84602891 is 19820648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84602891 - 2⁶ = 84602827 is a prime.

It is not a weakly prime, because it can be changed into another prime (84602191) 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, 42301445 + 42301446.

It is an arithmetic number, because the mean of its divisors is an integer number (42301446).

Almost surely, 2^84602891 is an apocalyptic number.

84602891 is a deficient number, since it is larger than the sum of its proper divisors (1).

84602891 is an equidigital number, since it uses as much as digits as its factorization.

84602891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 84602891 is about 9197.9829854159. The cubic root of 84602891 is about 438.9971841670.

The spelling of 84602891 in words is "eighty-four million, six hundred two thousand, eight hundred ninety-one".