14978973727 has 2 divisors, whose sum is σ = 14978973728. Its totient is φ = 14978973726.

The previous prime is 14978973679. The next prime is 14978973827. The reversal of 14978973727 is 72737987941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14978973727 - 2¹⁹ = 14978449439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14978973827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7489486863 + 7489486864.

It is an arithmetic number, because the mean of its divisors is an integer number (7489486864).

Almost surely, 2^14978973727 is an apocalyptic number.

14978973727 is a deficient number, since it is larger than the sum of its proper divisors (1).

14978973727 is an equidigital number, since it uses as much as digits as its factorization.

14978973727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37340352, while the sum is 64.

The spelling of 14978973727 in words is "fourteen billion, nine hundred seventy-eight million, nine hundred seventy-three thousand, seven hundred twenty-seven".