84772223 has 2 divisors, whose sum is σ = 84772224. Its totient is φ = 84772222.

The previous prime is 84772213. The next prime is 84772231. The reversal of 84772223 is 32227748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84772223 - 2⁶ = 84772159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84772213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42386111 + 42386112.

It is an arithmetic number, because the mean of its divisors is an integer number (42386112).

Almost surely, 2^84772223 is an apocalyptic number.

84772223 is a deficient number, since it is larger than the sum of its proper divisors (1).

84772223 is an equidigital number, since it uses as much as digits as its factorization.

84772223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 35.

The square root of 84772223 is about 9207.1832283278. The cubic root of 84772223 is about 439.2898720839.

The spelling of 84772223 in words is "eighty-four million, seven hundred seventy-two thousand, two hundred twenty-three".