6878769 has 4 divisors (see below), whose sum is σ = 9171696. Its totient is φ = 4585844.

The previous prime is 6878759. The next prime is 6878777. The reversal of 6878769 is 9678786.

It is a happy number.

6878769 is digitally balanced in base 3 and base 4, because in such bases 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6878769 - 2⁵ = 6878737 is a prime.

It is a super-2 number, since 2×6878769² = 94634925910722, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6878749) 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, 1146459 + ... + 1146464.

It is an arithmetic number, because the mean of its divisors is an integer number (2292924).

Almost surely, 2^6878769 is an apocalyptic number.

It is an amenable number.

6878769 is a deficient number, since it is larger than the sum of its proper divisors (2292927).

6878769 is a wasteful number, since it uses less digits than its factorization.

6878769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292926.

The product of its digits is 1016064, while the sum is 51.

The square root of 6878769 is about 2622.7407420483. The cubic root of 6878769 is about 190.1823641517.

The spelling of 6878769 in words is "six million, eight hundred seventy-eight thousand, seven hundred sixty-nine".