14978973827 has 2 divisors, whose sum is σ = 14978973828. Its totient is φ = 14978973826.

The previous prime is 14978973727. The next prime is 14978973829. The reversal of 14978973827 is 72837987941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14978973827 - 2²⁶ = 14911864963 is a prime.

Together with 14978973829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14978973829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7489486913 + 7489486914.

It is an arithmetic number, because the mean of its divisors is an integer number (7489486914).

Almost surely, 2^14978973827 is an apocalyptic number.

14978973827 is a deficient number, since it is larger than the sum of its proper divisors (1).

14978973827 is an equidigital number, since it uses as much as digits as its factorization.

14978973827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42674688, while the sum is 65.

The spelling of 14978973827 in words is "fourteen billion, nine hundred seventy-eight million, nine hundred seventy-three thousand, eight hundred twenty-seven".