28300243787 has 2 divisors, whose sum is σ = 28300243788. Its totient is φ = 28300243786.

The previous prime is 28300243753. The next prime is 28300243813. The reversal of 28300243787 is 78734200382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28300243787 - 2¹⁶ = 28300178251 is a prime.

It is a super-3 number, since 3×28300243787³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (28300243087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14150121893 + 14150121894.

It is an arithmetic number, because the mean of its divisors is an integer number (14150121894).

Almost surely, 2^28300243787 is an apocalyptic number.

28300243787 is a deficient number, since it is larger than the sum of its proper divisors (1).

28300243787 is an equidigital number, since it uses as much as digits as its factorization.

28300243787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 28300243787 in words is "twenty-eight billion, three hundred million, two hundred forty-three thousand, seven hundred eighty-seven".