14893379887 has 2 divisors, whose sum is σ = 14893379888. Its totient is φ = 14893379886.

The previous prime is 14893379857. The next prime is 14893379899. The reversal of 14893379887 is 78897339841.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14893379887 is a prime.

It is a super-2 number, since 2×14893379887² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14893379827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7446689943 + 7446689944.

It is an arithmetic number, because the mean of its divisors is an integer number (7446689944).

Almost surely, 2^14893379887 is an apocalyptic number.

14893379887 is a deficient number, since it is larger than the sum of its proper divisors (1).

14893379887 is an equidigital number, since it uses as much as digits as its factorization.

14893379887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73156608, while the sum is 67.

The spelling of 14893379887 in words is "fourteen billion, eight hundred ninety-three million, three hundred seventy-nine thousand, eight hundred eighty-seven".