84508873 has 2 divisors, whose sum is σ = 84508874. Its totient is φ = 84508872.

The previous prime is 84508859. The next prime is 84508933. The reversal of 84508873 is 37880548.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48832144 + 35676729 = 6988^2 + 5973^2 .

It is a cyclic number.

It is not a de Polignac number, because 84508873 - 2¹³ = 84500681 is a prime.

It is not a weakly prime, because it can be changed into another prime (84503873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42254436 + 42254437.

It is an arithmetic number, because the mean of its divisors is an integer number (42254437).

Almost surely, 2^84508873 is an apocalyptic number.

It is an amenable number.

84508873 is a deficient number, since it is larger than the sum of its proper divisors (1).

84508873 is an equidigital number, since it uses as much as digits as its factorization.

84508873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 84508873 is about 9192.8707703307. The cubic root of 84508873 is about 438.8345067646.

The spelling of 84508873 in words is "eighty-four million, five hundred eight thousand, eight hundred seventy-three".