28347164866 has 8 divisors (see below), whose sum is σ = 42549895440. Its totient is φ = 14163866388.

The previous prime is 28347164843. The next prime is 28347164869. The reversal of 28347164866 is 66846174382.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (28347164869) 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, 4854376 + ... + 4860211.

It is an arithmetic number, because the mean of its divisors is an integer number (5318736930).

Almost surely, 2^28347164866 is an apocalyptic number.

28347164866 is a deficient number, since it is larger than the sum of its proper divisors (14202730574).

28347164866 is a wasteful number, since it uses less digits than its factorization.

28347164866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716048.

The product of its digits is 9289728, while the sum is 55.

The spelling of 28347164866 in words is "twenty-eight billion, three hundred forty-seven million, one hundred sixty-four thousand, eight hundred sixty-six".