8747997 has 4 divisors (see below), whose sum is σ = 11664000. Its totient is φ = 5831996.

The previous prime is 8747987. The next prime is 8748001. The reversal of 8747997 is 7997478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8747997 - 2⁶ = 8747933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8747917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457997 + ... + 1458002.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 2^8747997 is an apocalyptic number.

It is an amenable number.

8747997 is a deficient number, since it is larger than the sum of its proper divisors (2916003).

8747997 is a wasteful number, since it uses less digits than its factorization.

8747997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916002.

The product of its digits is 889056, while the sum is 51.

The square root of 8747997 is about 2957.7013033773. The cubic root of 8747997 is about 206.0485401058.

It can be divided in two parts, 87 and 47997, that added together give a palindrome (48084).

The spelling of 8747997 in words is "eight million, seven hundred forty-seven thousand, nine hundred ninety-seven".