78714943 has 2 divisors, whose sum is σ = 78714944. Its totient is φ = 78714942.

The previous prime is 78714919. The next prime is 78714997. The reversal of 78714943 is 34941787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78714943 - 2²¹ = 76617791 is a prime.

It is a super-3 number, since 3×78714943³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78714943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78714043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39357471 + 39357472.

It is an arithmetic number, because the mean of its divisors is an integer number (39357472).

Almost surely, 2^78714943 is an apocalyptic number.

78714943 is a deficient number, since it is larger than the sum of its proper divisors (1).

78714943 is an equidigital number, since it uses as much as digits as its factorization.

78714943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 78714943 is about 8872.1442165916. The cubic root of 78714943 is about 428.5673303788.

The spelling of 78714943 in words is "seventy-eight million, seven hundred fourteen thousand, nine hundred forty-three".