8672621759 has 2 divisors, whose sum is σ = 8672621760. Its totient is φ = 8672621758.

The previous prime is 8672621693. The next prime is 8672621761. The reversal of 8672621759 is 9571262768.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8672621759 is a prime.

It is a Sophie Germain prime.

Together with 8672621761, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8672621759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8672623759) 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, 4336310879 + 4336310880.

It is an arithmetic number, because the mean of its divisors is an integer number (4336310880).

Almost surely, 2^8672621759 is an apocalyptic number.

8672621759 is a deficient number, since it is larger than the sum of its proper divisors (1).

8672621759 is an equidigital number, since it uses as much as digits as its factorization.

8672621759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 8672621759 is about 93126.9121092287. The cubic root of 8672621759 is about 2054.5504121622.

The spelling of 8672621759 in words is "eight billion, six hundred seventy-two million, six hundred twenty-one thousand, seven hundred fifty-nine".