28718000147 has 2 divisors, whose sum is σ = 28718000148. Its totient is φ = 28718000146.

The previous prime is 28718000041. The next prime is 28718000203. The reversal of 28718000147 is 74100081782.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28718000147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28718000147.

It is not a weakly prime, because it can be changed into another prime (28718000947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14359000073 + 14359000074.

It is an arithmetic number, because the mean of its divisors is an integer number (14359000074).

Almost surely, 2^28718000147 is an apocalyptic number.

28718000147 is a deficient number, since it is larger than the sum of its proper divisors (1).

28718000147 is an equidigital number, since it uses as much as digits as its factorization.

28718000147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 38.

The spelling of 28718000147 in words is "twenty-eight billion, seven hundred eighteen million, one hundred forty-seven", and thus it is an aban number.