842105270767 has 2 divisors, whose sum is σ = 842105270768. Its totient is φ = 842105270766.

The previous prime is 842105270689. The next prime is 842105270777. The reversal of 842105270767 is 767072501248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842105270767 - 2¹⁹ = 842104746479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842105270767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842105270777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421052635383 + 421052635384.

It is an arithmetic number, because the mean of its divisors is an integer number (421052635384).

Almost surely, 2^842105270767 is an apocalyptic number.

842105270767 is a deficient number, since it is larger than the sum of its proper divisors (1).

842105270767 is an equidigital number, since it uses as much as digits as its factorization.

842105270767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 842105270767 in words is "eight hundred forty-two billion, one hundred five million, two hundred seventy thousand, seven hundred sixty-seven".