84845087 has 2 divisors, whose sum is σ = 84845088. Its totient is φ = 84845086.

The previous prime is 84845081. The next prime is 84845093. The reversal of 84845087 is 78054848.

It is a balanced prime because it is at equal distance from previous prime (84845081) and next prime (84845093).

It is a cyclic number.

It is not a de Polignac number, because 84845087 - 2¹² = 84840991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84845081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42422543 + 42422544.

It is an arithmetic number, because the mean of its divisors is an integer number (42422544).

Almost surely, 2^84845087 is an apocalyptic number.

84845087 is a deficient number, since it is larger than the sum of its proper divisors (1).

84845087 is an equidigital number, since it uses as much as digits as its factorization.

84845087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 84845087 is about 9211.1392889262. The cubic root of 84845087 is about 439.4156965178.

The spelling of 84845087 in words is "eighty-four million, eight hundred forty-five thousand, eighty-seven".