84495773 has 2 divisors, whose sum is σ = 84495774. Its totient is φ = 84495772.

The previous prime is 84495713. The next prime is 84495809. The reversal of 84495773 is 37759448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62047129 + 22448644 = 7877^2 + 4738^2 .

It is a cyclic number.

It is not a de Polignac number, because 84495773 - 2⁸ = 84495517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84495703) 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, 42247886 + 42247887.

It is an arithmetic number, because the mean of its divisors is an integer number (42247887).

Almost surely, 2^84495773 is an apocalyptic number.

It is an amenable number.

84495773 is a deficient number, since it is larger than the sum of its proper divisors (1).

84495773 is an equidigital number, since it uses as much as digits as its factorization.

84495773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 84495773 is about 9192.1582340602. The cubic root of 84495773 is about 438.8118305299.

The spelling of 84495773 in words is "eighty-four million, four hundred ninety-five thousand, seven hundred seventy-three".