84267761 has 2 divisors, whose sum is σ = 84267762. Its totient is φ = 84267760.

The previous prime is 84267739. The next prime is 84267767. The reversal of 84267761 is 16776248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55965361 + 28302400 = 7481^2 + 5320^2 .

It is a cyclic number.

It is not a de Polignac number, because 84267761 - 2⁶ = 84267697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84267767) 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, 42133880 + 42133881.

It is an arithmetic number, because the mean of its divisors is an integer number (42133881).

Almost surely, 2^84267761 is an apocalyptic number.

It is an amenable number.

84267761 is a deficient number, since it is larger than the sum of its proper divisors (1).

84267761 is an equidigital number, since it uses as much as digits as its factorization.

84267761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 84267761 is about 9179.7473276774. The cubic root of 84267761 is about 438.4167634408.

The spelling of 84267761 in words is "eighty-four million, two hundred sixty-seven thousand, seven hundred sixty-one".