84773321 has 2 divisors, whose sum is σ = 84773322. Its totient is φ = 84773320.

The previous prime is 84773317. The next prime is 84773329. The reversal of 84773321 is 12337748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53290000 + 31483321 = 7300^2 + 5611^2 .

It is a cyclic number.

It is not a de Polignac number, because 84773321 - 2² = 84773317 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84773329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42386660 + 42386661.

It is an arithmetic number, because the mean of its divisors is an integer number (42386661).

Almost surely, 2^84773321 is an apocalyptic number.

It is an amenable number.

84773321 is a deficient number, since it is larger than the sum of its proper divisors (1).

84773321 is an equidigital number, since it uses as much as digits as its factorization.

84773321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 84773321 is about 9207.2428554915. The cubic root of 84773321 is about 439.2917686886.

The spelling of 84773321 in words is "eighty-four million, seven hundred seventy-three thousand, three hundred twenty-one".