79285715143 has 2 divisors, whose sum is σ = 79285715144. Its totient is φ = 79285715142.

The previous prime is 79285715137. The next prime is 79285715189. The reversal of 79285715143 is 34151758297.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79285715143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79285715843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39642857571 + 39642857572.

It is an arithmetic number, because the mean of its divisors is an integer number (39642857572).

Almost surely, 2^79285715143 is an apocalyptic number.

79285715143 is a deficient number, since it is larger than the sum of its proper divisors (1).

79285715143 is an equidigital number, since it uses as much as digits as its factorization.

79285715143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 52.

The spelling of 79285715143 in words is "seventy-nine billion, two hundred eighty-five million, seven hundred fifteen thousand, one hundred forty-three".