28731716003 has 2 divisors, whose sum is σ = 28731716004. Its totient is φ = 28731716002.

The previous prime is 28731715993. The next prime is 28731716053. The reversal of 28731716003 is 30061713782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28731716003 - 2²² = 28727521699 is a prime.

It is not a weakly prime, because it can be changed into another prime (28731716053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14365858001 + 14365858002.

It is an arithmetic number, because the mean of its divisors is an integer number (14365858002).

Almost surely, 2^28731716003 is an apocalyptic number.

28731716003 is a deficient number, since it is larger than the sum of its proper divisors (1).

28731716003 is an equidigital number, since it uses as much as digits as its factorization.

28731716003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 28731716003 in words is "twenty-eight billion, seven hundred thirty-one million, seven hundred sixteen thousand, three".