78014143 has 2 divisors, whose sum is σ = 78014144. Its totient is φ = 78014142.

The previous prime is 78014129. The next prime is 78014191. The reversal of 78014143 is 34141087.

It is a weak prime.

It is an emirp because it is prime and its reverse (34141087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78014143 - 2²⁵ = 44459711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78014113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39007071 + 39007072.

It is an arithmetic number, because the mean of its divisors is an integer number (39007072).

Almost surely, 2^78014143 is an apocalyptic number.

78014143 is a deficient number, since it is larger than the sum of its proper divisors (1).

78014143 is an equidigital number, since it uses as much as digits as its factorization.

78014143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 78014143 is about 8832.5615197405. The cubic root of 78014143 is about 427.2916906312.

The spelling of 78014143 in words is "seventy-eight million, fourteen thousand, one hundred forty-three".