17714714987 has 2 divisors, whose sum is σ = 17714714988. Its totient is φ = 17714714986.

The previous prime is 17714714981. The next prime is 17714715019. The reversal of 17714714987 is 78941741771.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17714714987 is a prime.

It is a super-2 number, since 2×17714714987² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17714714981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8857357493 + 8857357494.

It is an arithmetic number, because the mean of its divisors is an integer number (8857357494).

Almost surely, 2^17714714987 is an apocalyptic number.

17714714987 is a deficient number, since it is larger than the sum of its proper divisors (1).

17714714987 is an equidigital number, since it uses as much as digits as its factorization.

17714714987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2765952, while the sum is 56.

The spelling of 17714714987 in words is "seventeen billion, seven hundred fourteen million, seven hundred fourteen thousand, nine hundred eighty-seven".