28650916803 has 8 divisors (see below), whose sum is σ = 38206551808. Its totient is φ = 19097946504.

The previous prime is 28650916787. The next prime is 28650916817. The reversal of 28650916803 is 30861905682.

It is a happy number.

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

It is not a de Polignac number, because 28650916803 - 2⁴ = 28650916787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28650916883) 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, 640951 + ... + 684192.

It is an arithmetic number, because the mean of its divisors is an integer number (4775818976).

Almost surely, 2^28650916803 is an apocalyptic number.

28650916803 is a deficient number, since it is larger than the sum of its proper divisors (9555635005).

28650916803 is a wasteful number, since it uses less digits than its factorization.

28650916803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332353.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 28650916803 in words is "twenty-eight billion, six hundred fifty million, nine hundred sixteen thousand, eight hundred three".