877487 has 4 divisors (see below), whose sum is σ = 945000. Its totient is φ = 809976.

The previous prime is 877469. The next prime is 877531. The reversal of 877487 is 784778.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784778 = 2 ⋅392389.

It is a cyclic number.

It is not a de Polignac number, because 877487 - 2⁶ = 877423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33737 + ... + 33762.

It is an arithmetic number, because the mean of its divisors is an integer number (236250).

2⁸⁷⁷⁴⁸⁷ is an apocalyptic number.

877487 is a deficient number, since it is larger than the sum of its proper divisors (67513).

877487 is a wasteful number, since it uses less digits than its factorization.

877487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67512.

The product of its digits is 87808, while the sum is 41.

The square root of 877487 is about 936.7427608474. The cubic root of 877487 is about 95.7370917025.

The spelling of 877487 in words is "eight hundred seventy-seven thousand, four hundred eighty-seven".