28893877063 has 2 divisors, whose sum is σ = 28893877064. Its totient is φ = 28893877062.

The previous prime is 28893877043. The next prime is 28893877073. The reversal of 28893877063 is 36077839882.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28893877063 is a prime.

It is a super-2 number, since 2×28893877063² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28893876992 and 28893877010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28893877043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14446938531 + 14446938532.

It is an arithmetic number, because the mean of its divisors is an integer number (14446938532).

Almost surely, 2^28893877063 is an apocalyptic number.

28893877063 is a deficient number, since it is larger than the sum of its proper divisors (1).

28893877063 is an equidigital number, since it uses as much as digits as its factorization.

28893877063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 28893877063 in words is "twenty-eight billion, eight hundred ninety-three million, eight hundred seventy-seven thousand, sixty-three".