28737305055791 has 2 divisors, whose sum is σ = 28737305055792. Its totient is φ = 28737305055790.

The previous prime is 28737305055751. The next prime is 28737305055847. The reversal of 28737305055791 is 19755050373782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28737305055791 - 2²² = 28737300861487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28737305055751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14368652527895 + 14368652527896.

It is an arithmetic number, because the mean of its divisors is an integer number (14368652527896).

Almost surely, 2^{28737305055791} is an apocalyptic number.

28737305055791 is a deficient number, since it is larger than the sum of its proper divisors (1).

28737305055791 is an equidigital number, since it uses as much as digits as its factorization.

28737305055791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566000, while the sum is 62.

The spelling of 28737305055791 in words is "twenty-eight trillion, seven hundred thirty-seven billion, three hundred five million, fifty-five thousand, seven hundred ninety-one".