84287773 has 2 divisors, whose sum is σ = 84287774. Its totient is φ = 84287772.

The previous prime is 84287767. The next prime is 84287807. The reversal of 84287773 is 37778248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52229529 + 32058244 = 7227^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 84287773 - 2⁹ = 84287261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84287713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42143886 + 42143887.

It is an arithmetic number, because the mean of its divisors is an integer number (42143887).

Almost surely, 2^84287773 is an apocalyptic number.

It is an amenable number.

84287773 is a deficient number, since it is larger than the sum of its proper divisors (1).

84287773 is an equidigital number, since it uses as much as digits as its factorization.

84287773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 526848, while the sum is 46.

The square root of 84287773 is about 9180.8372711861. The cubic root of 84287773 is about 438.4514659247.

The spelling of 84287773 in words is "eighty-four million, two hundred eighty-seven thousand, seven hundred seventy-three".