876487 has 4 divisors (see below), whose sum is σ = 879040. Its totient is φ = 873936.

The previous prime is 876481. The next prime is 876497. The reversal of 876487 is 784678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784678 = 2 ⋅392339.

It is a cyclic number.

It is not a de Polignac number, because 876487 - 2³ = 876479 is a prime.

It is a super-2 number, since 2×876487² = 1536458922338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876481) 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, 663 + ... + 1480.

It is an arithmetic number, because the mean of its divisors is an integer number (219760).

2⁸⁷⁶⁴⁸⁷ is an apocalyptic number.

876487 is a deficient number, since it is larger than the sum of its proper divisors (2553).

876487 is a wasteful number, since it uses less digits than its factorization.

876487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its digits is 75264, while the sum is 40.

The square root of 876487 is about 936.2088442223. The cubic root of 876487 is about 95.7007099735.

Subtracting from 876487 its reverse (784678), we obtain a square (91809 = 303²).

The spelling of 876487 in words is "eight hundred seventy-six thousand, four hundred eighty-seven".