28860973679 has 2 divisors, whose sum is σ = 28860973680. Its totient is φ = 28860973678.

The previous prime is 28860973663. The next prime is 28860973697. The reversal of 28860973679 is 97637906882.

Together with next prime (28860973697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28860973679 - 2⁴ = 28860973663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28860973649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14430486839 + 14430486840.

It is an arithmetic number, because the mean of its divisors is an integer number (14430486840).

Almost surely, 2^28860973679 is an apocalyptic number.

28860973679 is a deficient number, since it is larger than the sum of its proper divisors (1).

28860973679 is an equidigital number, since it uses as much as digits as its factorization.

28860973679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 28860973679 in words is "twenty-eight billion, eight hundred sixty million, nine hundred seventy-three thousand, six hundred seventy-nine".