28860973663 has 2 divisors, whose sum is σ = 28860973664. Its totient is φ = 28860973662.

The previous prime is 28860973657. The next prime is 28860973679. The reversal of 28860973663 is 36637906882.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28860973663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28860973598 and 28860973607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28860973613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14430486831 + 14430486832.

It is an arithmetic number, because the mean of its divisors is an integer number (14430486832).

Almost surely, 2^28860973663 is an apocalyptic number.

28860973663 is a deficient number, since it is larger than the sum of its proper divisors (1).

28860973663 is an equidigital number, since it uses as much as digits as its factorization.

28860973663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 28860973663 in words is "twenty-eight billion, eight hundred sixty million, nine hundred seventy-three thousand, six hundred sixty-three".