84254827 has 2 divisors, whose sum is σ = 84254828. Its totient is φ = 84254826.

The previous prime is 84254801. The next prime is 84254851. The reversal of 84254827 is 72845248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84254827 - 2⁷ = 84254699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84254827.

It is not a weakly prime, because it can be changed into another prime (84254327) 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, 42127413 + 42127414.

It is an arithmetic number, because the mean of its divisors is an integer number (42127414).

Almost surely, 2^84254827 is an apocalyptic number.

84254827 is a deficient number, since it is larger than the sum of its proper divisors (1).

84254827 is an equidigital number, since it uses as much as digits as its factorization.

84254827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 40.

The square root of 84254827 is about 9179.0428150216. The cubic root of 84254827 is about 438.3943318787.

The spelling of 84254827 in words is "eighty-four million, two hundred fifty-four thousand, eight hundred twenty-seven".