879428293 has 2 divisors, whose sum is σ = 879428294. Its totient is φ = 879428292.

The previous prime is 879428279. The next prime is 879428339. The reversal of 879428293 is 392824978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 593750689 + 285677604 = 24367^2 + 16902^2 .

It is a cyclic number.

It is not a de Polignac number, because 879428293 - 2⁵ = 879428261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 879428293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879428593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439714146 + 439714147.

It is an arithmetic number, because the mean of its divisors is an integer number (439714147).

Almost surely, 2^879428293 is an apocalyptic number.

It is an amenable number.

879428293 is a deficient number, since it is larger than the sum of its proper divisors (1).

879428293 is an equidigital number, since it uses as much as digits as its factorization.

879428293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 879428293 is about 29655.1562632875. The cubic root of 879428293 is about 958.0764046175.

The spelling of 879428293 in words is "eight hundred seventy-nine million, four hundred twenty-eight thousand, two hundred ninety-three".