8621717345279 has 8 divisors (see below), whose sum is σ = 8757125685168. Its totient is φ = 8486506828800.

The previous prime is 8621717345257. The next prime is 8621717345291. The reversal of 8621717345279 is 9725437171268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8621717345279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8621717342279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49368002 + ... + 49542335.

It is an arithmetic number, because the mean of its divisors is an integer number (1094640710646).

Almost surely, 2^{8621717345279} is an apocalyptic number.

8621717345279 is a deficient number, since it is larger than the sum of its proper divisors (135408339889).

8621717345279 is a wasteful number, since it uses less digits than its factorization.

8621717345279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98911705.

The product of its digits is 35562240, while the sum is 62.

The spelling of 8621717345279 in words is "eight trillion, six hundred twenty-one billion, seven hundred seventeen million, three hundred forty-five thousand, two hundred seventy-nine".