879768143 has 2 divisors, whose sum is σ = 879768144. Its totient is φ = 879768142.

The previous prime is 879768107. The next prime is 879768151. The reversal of 879768143 is 341867978.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879768143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879768443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439884071 + 439884072.

It is an arithmetic number, because the mean of its divisors is an integer number (439884072).

Almost surely, 2^879768143 is an apocalyptic number.

879768143 is a deficient number, since it is larger than the sum of its proper divisors (1).

879768143 is an equidigital number, since it uses as much as digits as its factorization.

879768143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The square root of 879768143 is about 29660.8857420004. The cubic root of 879768143 is about 958.1998030933.

The spelling of 879768143 in words is "eight hundred seventy-nine million, seven hundred sixty-eight thousand, one hundred forty-three".