8722261391759 has 2 divisors, whose sum is σ = 8722261391760. Its totient is φ = 8722261391758.

The previous prime is 8722261391747. The next prime is 8722261391761. The reversal of 8722261391759 is 9571931622278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8722261391759 - 2⁴ = 8722261391743 is a prime.

It is a super-2 number, since 2×8722261391759² (a number of 27 digits) contains 22 as substring.

Together with 8722261391761, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8722261391729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4361130695879 + 4361130695880.

It is an arithmetic number, because the mean of its divisors is an integer number (4361130695880).

Almost surely, 2^{8722261391759} is an apocalyptic number.

8722261391759 is a deficient number, since it is larger than the sum of its proper divisors (1).

8722261391759 is an equidigital number, since it uses as much as digits as its factorization.

8722261391759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 62.

The spelling of 8722261391759 in words is "eight trillion, seven hundred twenty-two billion, two hundred sixty-one million, three hundred ninety-one thousand, seven hundred fifty-nine".