84440444411 has 2 divisors, whose sum is σ = 84440444412. Its totient is φ = 84440444410.

The previous prime is 84440444383. The next prime is 84440444489. The reversal of 84440444411 is 11444404448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84440444411 - 2¹⁴ = 84440428027 is a prime.

It is a super-2 number, since 2×84440444411² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84440444611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42220222205 + 42220222206.

It is an arithmetic number, because the mean of its divisors is an integer number (42220222206).

Almost surely, 2^84440444411 is an apocalyptic number.

84440444411 is a deficient number, since it is larger than the sum of its proper divisors (1).

84440444411 is an equidigital number, since it uses as much as digits as its factorization.

84440444411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131072, while the sum is 38.

Adding to 84440444411 its reverse (11444404448), we get a palindrome (95884848859).

The spelling of 84440444411 in words is "eighty-four billion, four hundred forty million, four hundred forty-four thousand, four hundred eleven".