78876143484143 has 2 divisors, whose sum is σ = 78876143484144. Its totient is φ = 78876143484142.

The previous prime is 78876143484137. The next prime is 78876143484209. The reversal of 78876143484143 is 34148434167887.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78876143484143 - 2²⁶ = 78876076375279 is a prime.

It is a super-2 number, since 2×78876143484143² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78876143484443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39438071742071 + 39438071742072.

It is an arithmetic number, because the mean of its divisors is an integer number (39438071742072).

Almost surely, 2^{78876143484143} is an apocalyptic number.

78876143484143 is a deficient number, since it is larger than the sum of its proper divisors (1).

78876143484143 is an equidigital number, since it uses as much as digits as its factorization.

78876143484143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 346816512, while the sum is 68.

The spelling of 78876143484143 in words is "seventy-eight trillion, eight hundred seventy-six billion, one hundred forty-three million, four hundred eighty-four thousand, one hundred forty-three".