28746625727 has 2 divisors, whose sum is σ = 28746625728. Its totient is φ = 28746625726.

The previous prime is 28746625703. The next prime is 28746625741. The reversal of 28746625727 is 72752664782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28746625727 - 2²² = 28742431423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28746625627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14373312863 + 14373312864.

It is an arithmetic number, because the mean of its divisors is an integer number (14373312864).

Almost surely, 2^28746625727 is an apocalyptic number.

28746625727 is a deficient number, since it is larger than the sum of its proper divisors (1).

28746625727 is an equidigital number, since it uses as much as digits as its factorization.

28746625727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15805440, while the sum is 56.

The spelling of 28746625727 in words is "twenty-eight billion, seven hundred forty-six million, six hundred twenty-five thousand, seven hundred twenty-seven".