78714143017 has 2 divisors, whose sum is σ = 78714143018. Its totient is φ = 78714143016.

The previous prime is 78714142999. The next prime is 78714143029. The reversal of 78714143017 is 71034141787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78550712361 + 163430656 = 280269^2 + 12784^2 .

It is a cyclic number.

It is not a de Polignac number, because 78714143017 - 2¹⁵ = 78714110249 is a prime.

It is not a weakly prime, because it can be changed into another prime (78714143077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39357071508 + 39357071509.

It is an arithmetic number, because the mean of its divisors is an integer number (39357071509).

Almost surely, 2^78714143017 is an apocalyptic number.

It is an amenable number.

78714143017 is a deficient number, since it is larger than the sum of its proper divisors (1).

78714143017 is an equidigital number, since it uses as much as digits as its factorization.

78714143017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 78714143017 in words is "seventy-eight billion, seven hundred fourteen million, one hundred forty-three thousand, seventeen".