28747068899 has 2 divisors, whose sum is σ = 28747068900. Its totient is φ = 28747068898.

The previous prime is 28747068869. The next prime is 28747068907. The reversal of 28747068899 is 99886074782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28747068899 - 2⁸ = 28747068643 is a prime.

It is not a weakly prime, because it can be changed into another prime (28747068829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14373534449 + 14373534450.

It is an arithmetic number, because the mean of its divisors is an integer number (14373534450).

Almost surely, 2^28747068899 is an apocalyptic number.

28747068899 is a deficient number, since it is larger than the sum of its proper divisors (1).

28747068899 is an equidigital number, since it uses as much as digits as its factorization.

28747068899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 68.

The spelling of 28747068899 in words is "twenty-eight billion, seven hundred forty-seven million, sixty-eight thousand, eight hundred ninety-nine".