8642740927 has 8 divisors (see below), whose sum is σ = 8669110320. Its totient is φ = 8616393600.

The previous prime is 8642740907. The next prime is 8642740937. The reversal of 8642740927 is 7290472468.

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 a de Polignac number, because none of the positive numbers 2^k-8642740927 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 (8642740907) 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, 1105143 + ... + 1112935.

It is an arithmetic number, because the mean of its divisors is an integer number (1083638790).

Almost surely, 2^8642740927 is an apocalyptic number.

8642740927 is a deficient number, since it is larger than the sum of its proper divisors (26369393).

8642740927 is a wasteful number, since it uses less digits than its factorization.

8642740927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 8642740927 is about 92966.3429795967. The cubic root of 8642740927 is about 2052.1881000726.

The spelling of 8642740927 in words is "eight billion, six hundred forty-two million, seven hundred forty thousand, nine hundred twenty-seven".