872888279 has 2 divisors, whose sum is σ = 872888280. Its totient is φ = 872888278.

The previous prime is 872888257. The next prime is 872888293. The reversal of 872888279 is 972888278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872888279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872888299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436444139 + 436444140.

It is an arithmetic number, because the mean of its divisors is an integer number (436444140).

Almost surely, 2^872888279 is an apocalyptic number.

872888279 is a deficient number, since it is larger than the sum of its proper divisors (1).

872888279 is an equidigital number, since it uses as much as digits as its factorization.

872888279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7225344, while the sum is 59.

The square root of 872888279 is about 29544.6827534161. The cubic root of 872888279 is about 955.6955283361.

Subtracting 872888279 from its reverse (972888278), we obtain a palindrome (99999999).

The spelling of 872888279 in words is "eight hundred seventy-two million, eight hundred eighty-eight thousand, two hundred seventy-nine".