8688742973 has 8 divisors (see below), whose sum is σ = 8777438208. Its totient is φ = 8600364864.

The previous prime is 8688742957. The next prime is 8688742999. The reversal of 8688742973 is 3792478868.

8688742973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8688742973 - 2⁴ = 8688742957 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 (8688742903) 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, 24011 + ... + 133992.

It is an arithmetic number, because the mean of its divisors is an integer number (1097179776).

Almost surely, 2^8688742973 is an apocalyptic number.

It is an amenable number.

8688742973 is a deficient number, since it is larger than the sum of its proper divisors (88695235).

8688742973 is a wasteful number, since it uses less digits than its factorization.

8688742973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158563.

The product of its digits is 32514048, while the sum is 62.

The square root of 8688742973 is about 93213.4269995477. The cubic root of 8688742973 is about 2055.8226666187.

The spelling of 8688742973 in words is "eight billion, six hundred eighty-eight million, seven hundred forty-two thousand, nine hundred seventy-three".