84772211 has 2 divisors, whose sum is σ = 84772212. Its totient is φ = 84772210.

The previous prime is 84772201. The next prime is 84772213. The reversal of 84772211 is 11227748.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84772211 - 2⁶ = 84772147 is a prime.

It is a Sophie Germain prime.

Together with 84772213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84772213) 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, 42386105 + 42386106.

It is an arithmetic number, because the mean of its divisors is an integer number (42386106).

Almost surely, 2^84772211 is an apocalyptic number.

84772211 is a deficient number, since it is larger than the sum of its proper divisors (1).

84772211 is an equidigital number, since it uses as much as digits as its factorization.

84772211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 32.

The square root of 84772211 is about 9207.1825766626. The cubic root of 84772211 is about 439.2898513559.

Adding to 84772211 its reverse (11227748), we get a palindrome (95999959).

The spelling of 84772211 in words is "eighty-four million, seven hundred seventy-two thousand, two hundred eleven".