879371369 has 2 divisors, whose sum is σ = 879371370. Its totient is φ = 879371368.

The previous prime is 879371333. The next prime is 879371377. The reversal of 879371369 is 963173978.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605799769 + 273571600 = 24613^2 + 16540^2 .

It is a cyclic number.

It is not a de Polignac number, because 879371369 - 2²⁴ = 862594153 is a prime.

It is a super-2 number, since 2×879371369² = 1546588009233868322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 879371369.

It is not a weakly prime, because it can be changed into another prime (879371069) 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, 439685684 + 439685685.

It is an arithmetic number, because the mean of its divisors is an integer number (439685685).

Almost surely, 2^879371369 is an apocalyptic number.

It is an amenable number.

879371369 is a deficient number, since it is larger than the sum of its proper divisors (1).

879371369 is an equidigital number, since it uses as much as digits as its factorization.

879371369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 879371369 is about 29654.1964821170. The cubic root of 879371369 is about 958.0557325822.

The spelling of 879371369 in words is "eight hundred seventy-nine million, three hundred seventy-one thousand, three hundred sixty-nine".