84253867 has 2 divisors, whose sum is σ = 84253868. Its totient is φ = 84253866.

The previous prime is 84253849. The next prime is 84253879. The reversal of 84253867 is 76835248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84253867 - 2⁷ = 84253739 is a prime.

It is not a weakly prime, because it can be changed into another prime (84253837) 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, 42126933 + 42126934.

It is an arithmetic number, because the mean of its divisors is an integer number (42126934).

Almost surely, 2^84253867 is an apocalyptic number.

84253867 is a deficient number, since it is larger than the sum of its proper divisors (1).

84253867 is an equidigital number, since it uses as much as digits as its factorization.

84253867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 84253867 is about 9178.9905218384. The cubic root of 84253867 is about 438.3926668498.

The spelling of 84253867 in words is "eighty-four million, two hundred fifty-three thousand, eight hundred sixty-seven".