872707279 has 2 divisors, whose sum is σ = 872707280. Its totient is φ = 872707278.

The previous prime is 872707273. The next prime is 872707289. The reversal of 872707279 is 972707278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872707279 - 2⁹ = 872706767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872707273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436353639 + 436353640.

It is an arithmetic number, because the mean of its divisors is an integer number (436353640).

Almost surely, 2^872707279 is an apocalyptic number.

872707279 is a deficient number, since it is larger than the sum of its proper divisors (1).

872707279 is an equidigital number, since it uses as much as digits as its factorization.

872707279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 49.

The square root of 872707279 is about 29541.6194376679. The cubic root of 872707279 is about 955.6294668662.

Subtracting 872707279 from its reverse (972707278), we obtain a palindrome (99999999).

It can be divided in two parts, 87270 and 7279, that added together give a palindrome (94549).

The spelling of 872707279 in words is "eight hundred seventy-two million, seven hundred seven thousand, two hundred seventy-nine".