8247972097 has 8 divisors (see below), whose sum is σ = 8336727360. Its totient is φ = 8159383920.

The previous prime is 8247972079. The next prime is 8247972107. The reversal of 8247972097 is 7902797428.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8247972097 - 2⁷ = 8247971969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8247978097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58779 + ... + 141247.

It is an arithmetic number, because the mean of its divisors is an integer number (1042090920).

Almost surely, 2^8247972097 is an apocalyptic number.

It is an amenable number.

8247972097 is a deficient number, since it is larger than the sum of its proper divisors (88755263).

8247972097 is a wasteful number, since it uses less digits than its factorization.

8247972097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83543.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 8247972097 is about 90818.3466982305. The cubic root of 8247972097 is about 2020.4544362841.

The spelling of 8247972097 in words is "eight billion, two hundred forty-seven million, nine hundred seventy-two thousand, ninety-seven".