28890030015727 has 2 divisors, whose sum is σ = 28890030015728. Its totient is φ = 28890030015726.

The previous prime is 28890030015709. The next prime is 28890030015731. The reversal of 28890030015727 is 72751003009882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28890030015727 - 2⁴³ = 20093936993519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28890030015787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14445015007863 + 14445015007864.

It is an arithmetic number, because the mean of its divisors is an integer number (14445015007864).

Almost surely, 2^{28890030015727} is an apocalyptic number.

28890030015727 is a deficient number, since it is larger than the sum of its proper divisors (1).

28890030015727 is an equidigital number, since it uses as much as digits as its factorization.

28890030015727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 28890030015727 in words is "twenty-eight trillion, eight hundred ninety billion, thirty million, fifteen thousand, seven hundred twenty-seven".