84441311 has 2 divisors, whose sum is σ = 84441312. Its totient is φ = 84441310.

The previous prime is 84441299. The next prime is 84441337. The reversal of 84441311 is 11314448.

It is an a-pointer prime, because the next prime (84441337) can be obtained adding 84441311 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84441311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84441361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42220655 + 42220656.

It is an arithmetic number, because the mean of its divisors is an integer number (42220656).

Almost surely, 2^84441311 is an apocalyptic number.

84441311 is a deficient number, since it is larger than the sum of its proper divisors (1).

84441311 is an equidigital number, since it uses as much as digits as its factorization.

84441311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 84441311 is about 9189.1953401808. The cubic root of 84441311 is about 438.7175311130.

Adding to 84441311 its reverse (11314448), we get a palindrome (95755759).

The spelling of 84441311 in words is "eighty-four million, four hundred forty-one thousand, three hundred eleven".