872479 has 2 divisors, whose sum is σ = 872480. Its totient is φ = 872478.

The previous prime is 872477. The next prime is 872533. The reversal of 872479 is 974278.

It is a happy number.

872479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872479 - 2¹ = 872477 is a prime.

It is a super-2 number, since 2×872479² = 1522439210882, which contains 22 as substring.

Together with 872477, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436239 + 436240.

It is an arithmetic number, because the mean of its divisors is an integer number (436240).

2⁸⁷²⁴⁷⁹ is an apocalyptic number.

872479 is a deficient number, since it is larger than the sum of its proper divisors (1).

872479 is an equidigital number, since it uses as much as digits as its factorization.

872479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 872479 is about 934.0658435036. The cubic root of 872479 is about 95.5546136457.

The spelling of 872479 in words is "eight hundred seventy-two thousand, four hundred seventy-nine".