8242647697 has 8 divisors (see below), whose sum is σ = 8708731200. Its totient is φ = 7779790224.

The previous prime is 8242647671. The next prime is 8242647703. The reversal of 8242647697 is 7967462428.

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-8242647697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8242647797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801253 + ... + 811474.

It is an arithmetic number, because the mean of its divisors is an integer number (1088591400).

Almost surely, 2^8242647697 is an apocalyptic number.

It is an amenable number.

8242647697 is a deficient number, since it is larger than the sum of its proper divisors (466083503).

8242647697 is a wasteful number, since it uses less digits than its factorization.

8242647697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613015.

The product of its digits is 8128512, while the sum is 55.

The square root of 8242647697 is about 90789.0285056515. The cubic root of 8242647697 is about 2020.0195809787.

The spelling of 8242647697 in words is "eight billion, two hundred forty-two million, six hundred forty-seven thousand, six hundred ninety-seven".