8287706641 has 8 divisors (see below), whose sum is σ = 8396030720. Its totient is φ = 8179468128.

The previous prime is 8287706629. The next prime is 8287706663. The reversal of 8287706641 is 1466077828.

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 8287706641 - 2¹⁵ = 8287673873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8287706041) 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, 186700 + ... + 226786.

It is an arithmetic number, because the mean of its divisors is an integer number (1049503840).

Almost surely, 2^8287706641 is an apocalyptic number.

It is an amenable number.

8287706641 is a deficient number, since it is larger than the sum of its proper divisors (108324079).

8287706641 is a wasteful number, since it uses less digits than its factorization.

8287706641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42783.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 8287706641 is about 91036.8422178625. The cubic root of 8287706641 is about 2023.6937481069.

The spelling of 8287706641 in words is "eight billion, two hundred eighty-seven million, seven hundred six thousand, six hundred forty-one".