28760617859 has 2 divisors, whose sum is σ = 28760617860. Its totient is φ = 28760617858.

The previous prime is 28760617777. The next prime is 28760617903. The reversal of 28760617859 is 95871606782.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28760617859 - 2¹⁶ = 28760552323 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 28760617798 and 28760617807.

It is not a weakly prime, because it can be changed into another prime (28760617159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14380308929 + 14380308930.

It is an arithmetic number, because the mean of its divisors is an integer number (14380308930).

Almost surely, 2^28760617859 is an apocalyptic number.

28760617859 is a deficient number, since it is larger than the sum of its proper divisors (1).

28760617859 is an equidigital number, since it uses as much as digits as its factorization.

28760617859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 28760617859 in words is "twenty-eight billion, seven hundred sixty million, six hundred seventeen thousand, eight hundred fifty-nine".