84768773 has 2 divisors, whose sum is σ = 84768774. Its totient is φ = 84768772.

The previous prime is 84768751. The next prime is 84768779. The reversal of 84768773 is 37786748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50452609 + 34316164 = 7103^2 + 5858^2 .

It is a cyclic number.

It is not a de Polignac number, because 84768773 - 2¹⁶ = 84703237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84768779) 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, 42384386 + 42384387.

It is an arithmetic number, because the mean of its divisors is an integer number (42384387).

Almost surely, 2^84768773 is an apocalyptic number.

It is an amenable number.

84768773 is a deficient number, since it is larger than the sum of its proper divisors (1).

84768773 is an equidigital number, since it uses as much as digits as its factorization.

84768773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 50.

The square root of 84768773 is about 9206.9958727046. The cubic root of 84768773 is about 439.2839127002.

The spelling of 84768773 in words is "eighty-four million, seven hundred sixty-eight thousand, seven hundred seventy-three".