28761959843 has 2 divisors, whose sum is σ = 28761959844. Its totient is φ = 28761959842.

The previous prime is 28761959797. The next prime is 28761959869. The reversal of 28761959843 is 34895916782.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28761959843 is a prime.

It is not a weakly prime, because it can be changed into another prime (28761959893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14380979921 + 14380979922.

It is an arithmetic number, because the mean of its divisors is an integer number (14380979922).

Almost surely, 2^28761959843 is an apocalyptic number.

28761959843 is a deficient number, since it is larger than the sum of its proper divisors (1).

28761959843 is an equidigital number, since it uses as much as digits as its factorization.

28761959843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 62.

The spelling of 28761959843 in words is "twenty-eight billion, seven hundred sixty-one million, nine hundred fifty-nine thousand, eight hundred forty-three".