879713143 has 2 divisors, whose sum is σ = 879713144. Its totient is φ = 879713142.

The previous prime is 879713137. The next prime is 879713201. The reversal of 879713143 is 341317978.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879713143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 879713143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879713123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439856571 + 439856572.

It is an arithmetic number, because the mean of its divisors is an integer number (439856572).

Almost surely, 2^879713143 is an apocalyptic number.

879713143 is a deficient number, since it is larger than the sum of its proper divisors (1).

879713143 is an equidigital number, since it uses as much as digits as its factorization.

879713143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 879713143 is about 29659.9585805510. The cubic root of 879713143 is about 958.1798349203.

The spelling of 879713143 in words is "eight hundred seventy-nine million, seven hundred thirteen thousand, one hundred forty-three".