6878461 has 4 divisors (see below), whose sum is σ = 6894432. Its totient is φ = 6862492.

The previous prime is 6878453. The next prime is 6878467. The reversal of 6878461 is 1648786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1648786 = 2 ⋅824393.

It is a cyclic number.

It is not a de Polignac number, because 6878461 - 2³ = 6878453 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 (6878467) 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, 7321 + ... + 8206.

It is an arithmetic number, because the mean of its divisors is an integer number (1723608).

Almost surely, 2^6878461 is an apocalyptic number.

It is an amenable number.

6878461 is a deficient number, since it is larger than the sum of its proper divisors (15971).

6878461 is a wasteful number, since it uses less digits than its factorization.

6878461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15970.

The product of its digits is 64512, while the sum is 40.

The square root of 6878461 is about 2622.6820241882. The cubic root of 6878461 is about 190.1795256088.

The spelling of 6878461 in words is "six million, eight hundred seventy-eight thousand, four hundred sixty-one".