14979738966487 has 2 divisors, whose sum is σ = 14979738966488. Its totient is φ = 14979738966486.

The previous prime is 14979738966461. The next prime is 14979738966541. The reversal of 14979738966487 is 78466983797941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14979738966487 - 2¹¹ = 14979738964439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14979738966398 and 14979738966407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14979738966427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7489869483243 + 7489869483244.

It is an arithmetic number, because the mean of its divisors is an integer number (7489869483244).

Almost surely, 2^{14979738966487} is an apocalyptic number.

14979738966487 is a deficient number, since it is larger than the sum of its proper divisors (1).

14979738966487 is an equidigital number, since it uses as much as digits as its factorization.

14979738966487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27653197824, while the sum is 88.

The spelling of 14979738966487 in words is "fourteen trillion, nine hundred seventy-nine billion, seven hundred thirty-eight million, nine hundred sixty-six thousand, four hundred eighty-seven".