716005643987 has 2 divisors, whose sum is σ = 716005643988. Its totient is φ = 716005643986.

The previous prime is 716005643981. The next prime is 716005644073. The reversal of 716005643987 is 789346500617.

716005643987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 716005643987 - 2⁶ = 716005643923 is a prime.

It is not a weakly prime, because it can be changed into another prime (716005643981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358002821993 + 358002821994.

It is an arithmetic number, because the mean of its divisors is an integer number (358002821994).

Almost surely, 2^716005643987 is an apocalyptic number.

716005643987 is a deficient number, since it is larger than the sum of its proper divisors (1).

716005643987 is an equidigital number, since it uses as much as digits as its factorization.

716005643987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 716005643987 in words is "seven hundred sixteen billion, five million, six hundred forty-three thousand, nine hundred eighty-seven".