872477 has 2 divisors, whose sum is σ = 872478. Its totient is φ = 872476.

The previous prime is 872471. The next prime is 872479. The reversal of 872477 is 774278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872356 + 121 = 934^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 872477 - 2¹² = 868381 is a prime.

It is a super-2 number, since 2×872477² = 1522432231058, which contains 22 as substring.

Together with 872479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872477.

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, 436238 + 436239.

It is an arithmetic number, because the mean of its divisors is an integer number (436239).

2⁸⁷²⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

872477 is a deficient number, since it is larger than the sum of its proper divisors (1).

872477 is an equidigital number, since it uses as much as digits as its factorization.

872477 is an odious number, because the sum of its binary digits is odd.

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

The square root of 872477 is about 934.0647729146. The cubic root of 872477 is about 95.5545406318.

The spelling of 872477 in words is "eight hundred seventy-two thousand, four hundred seventy-seven".