6878715 has 16 divisors (see below), whose sum is σ = 11040000. Its totient is φ = 3657312.

The previous prime is 6878699. The next prime is 6878731. The reversal of 6878715 is 5178786.

It is an interprime number because it is at equal distance from previous prime (6878699) and next prime (6878731).

It is not a de Polignac number, because 6878715 - 2⁴ = 6878699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (690000).

Almost surely, 2^6878715 is an apocalyptic number.

6878715 is a deficient number, since it is larger than the sum of its proper divisors (4161285).

6878715 is a wasteful number, since it uses less digits than its factorization.

6878715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its digits is 94080, while the sum is 42.

The square root of 6878715 is about 2622.7304474536. The cubic root of 6878715 is about 190.1818664912.

The spelling of 6878715 in words is "six million, eight hundred seventy-eight thousand, seven hundred fifteen".