84660311 has 2 divisors, whose sum is σ = 84660312. Its totient is φ = 84660310.

The previous prime is 84660307. The next prime is 84660319. The reversal of 84660311 is 11306648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84660311 - 2² = 84660307 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84660319) 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, 42330155 + 42330156.

It is an arithmetic number, because the mean of its divisors is an integer number (42330156).

Almost surely, 2^84660311 is an apocalyptic number.

84660311 is a deficient number, since it is larger than the sum of its proper divisors (1).

84660311 is an equidigital number, since it uses as much as digits as its factorization.

84660311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 84660311 is about 9201.1037924806. The cubic root of 84660311 is about 439.0964775342.

Adding to 84660311 its reverse (11306648), we get a palindrome (95966959).

The spelling of 84660311 in words is "eighty-four million, six hundred sixty thousand, three hundred eleven".