28714662917 has 2 divisors, whose sum is σ = 28714662918. Its totient is φ = 28714662916.

The previous prime is 28714662901. The next prime is 28714662943. The reversal of 28714662917 is 71926641782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17793158881 + 10921504036 = 133391^2 + 104506^2 .

It is a cyclic number.

It is not a de Polignac number, because 28714662917 - 2⁴ = 28714662901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28714662947) 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, 14357331458 + 14357331459.

It is an arithmetic number, because the mean of its divisors is an integer number (14357331459).

Almost surely, 2^28714662917 is an apocalyptic number.

It is an amenable number.

28714662917 is a deficient number, since it is larger than the sum of its proper divisors (1).

28714662917 is an equidigital number, since it uses as much as digits as its factorization.

28714662917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The spelling of 28714662917 in words is "twenty-eight billion, seven hundred fourteen million, six hundred sixty-two thousand, nine hundred seventeen".