10719839987 has 2 divisors, whose sum is σ = 10719839988. Its totient is φ = 10719839986.

The previous prime is 10719839981. The next prime is 10719840013. The reversal of 10719839987 is 78993891701.

It is a weak prime.

It is an emirp because it is prime and its reverse (78993891701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10719839987 - 2¹⁰ = 10719838963 is a prime.

It is a super-2 number, since 2×10719839987² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10719839981) 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, 5359919993 + 5359919994.

It is an arithmetic number, because the mean of its divisors is an integer number (5359919994).

Almost surely, 2^10719839987 is an apocalyptic number.

10719839987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10719839987 is an equidigital number, since it uses as much as digits as its factorization.

10719839987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 62.

The spelling of 10719839987 in words is "ten billion, seven hundred nineteen million, eight hundred thirty-nine thousand, nine hundred eighty-seven".