872747 has 2 divisors, whose sum is σ = 872748. Its totient is φ = 872746.

The previous prime is 872737. The next prime is 872749. The reversal of 872747 is 747278.

872747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872747 - 2⁴ = 872731 is a prime.

Together with 872749, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (872749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436373 + 436374.

It is an arithmetic number, because the mean of its divisors is an integer number (436374).

2⁸⁷²⁷⁴⁷ is an apocalyptic number.

872747 is a deficient number, since it is larger than the sum of its proper divisors (1).

872747 is an equidigital number, since it uses as much as digits as its factorization.

872747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21952, while the sum is 35.

The square root of 872747 is about 934.2092913261. The cubic root of 872747 is about 95.5643965039.

The spelling of 872747 in words is "eight hundred seventy-two thousand, seven hundred forty-seven".