6877487 has 4 divisors (see below), whose sum is σ = 7239480. Its totient is φ = 6515496.

The previous prime is 6877477. The next prime is 6877489. The reversal of 6877487 is 7847786.

6877487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7847786 = 2 ⋅3923893.

It is a cyclic number.

It is not a de Polignac number, because 6877487 - 2⁴ = 6877471 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 (6877489) 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, 180968 + ... + 181005.

It is an arithmetic number, because the mean of its divisors is an integer number (1809870).

Almost surely, 2^6877487 is an apocalyptic number.

6877487 is a deficient number, since it is larger than the sum of its proper divisors (361993).

6877487 is a wasteful number, since it uses less digits than its factorization.

6877487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361992.

The product of its digits is 526848, while the sum is 47.

The square root of 6877487 is about 2622.4963298354. The cubic root of 6877487 is about 190.1705486200.

Subtracting 6877487 from its reverse (7847786), we obtain a cube (970299 = 99³).

The spelling of 6877487 in words is "six million, eight hundred seventy-seven thousand, four hundred eighty-seven".