875487 has 4 divisors (see below), whose sum is σ = 1167320. Its totient is φ = 583656.

The previous prime is 875477. The next prime is 875491. The reversal of 875487 is 784578.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-875487 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145912 + ... + 145917.

It is an arithmetic number, because the mean of its divisors is an integer number (291830).

2⁸⁷⁵⁴⁸⁷ is an apocalyptic number.

875487 is a deficient number, since it is larger than the sum of its proper divisors (291833).

875487 is a wasteful number, since it uses less digits than its factorization.

875487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291832.

The product of its digits is 62720, while the sum is 39.

The square root of 875487 is about 935.6746229326. The cubic root of 875487 is about 95.6643005616.

Subtracting from 875487 its reverse (784578), we obtain a palindrome (90909).

The spelling of 875487 in words is "eight hundred seventy-five thousand, four hundred eighty-seven".