8027644809 has 8 divisors (see below), whose sum is σ = 10708038880. Its totient is φ = 5349506976.

The previous prime is 8027644789. The next prime is 8027644819. The reversal of 8027644809 is 9084467208.

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

It is not a de Polignac number, because 8027644809 - 2⁵ = 8027644777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8027644819) 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, 555739 + ... + 570000.

It is an arithmetic number, because the mean of its divisors is an integer number (1338504860).

Almost surely, 2^8027644809 is an apocalyptic number.

It is an amenable number.

8027644809 is a deficient number, since it is larger than the sum of its proper divisors (2680394071).

8027644809 is a wasteful number, since it uses less digits than its factorization.

8027644809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128119.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 8027644809 is about 89597.1250040982. The cubic root of 8027644809 is about 2002.3010855706.

The spelling of 8027644809 in words is "eight billion, twenty-seven million, six hundred forty-four thousand, eight hundred nine".