879428243 has 16 divisors (see below), whose sum is σ = 967142400. Its totient is φ = 796508640.

The previous prime is 879428227. The next prime is 879428257. The reversal of 879428243 is 342824978.

It is a cyclic number.

It is not a de Polignac number, because 879428243 - 2⁴ = 879428227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879428293) 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 in 15 ways as a sum of consecutive naturals, for example, 39893 + ... + 57881.

It is an arithmetic number, because the mean of its divisors is an integer number (60446400).

Almost surely, 2^879428243 is an apocalyptic number.

879428243 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

879428243 is a deficient number, since it is larger than the sum of its proper divisors (87714157).

879428243 is a wasteful number, since it uses less digits than its factorization.

879428243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122.

The product of its digits is 774144, while the sum is 47.

The square root of 879428243 is about 29655.1554202638. The cubic root of 879428243 is about 958.0763864603.

The spelling of 879428243 in words is "eight hundred seventy-nine million, four hundred twenty-eight thousand, two hundred forty-three".