6878026 has 4 divisors (see below), whose sum is σ = 10317042. Its totient is φ = 3439012.

The previous prime is 6878023. The next prime is 6878029. The reversal of 6878026 is 6208786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6208786 = 2 ⋅3104393.

It is an interprime number because it is at equal distance from previous prime (6878023) and next prime (6878029).

It can be written as a sum of positive squares in only one way, i.e., 5313025 + 1565001 = 2305^2 + 1251^2 .

It is not an unprimeable number, because it can be changed into a prime (6878023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719505 + ... + 1719508.

Almost surely, 2^6878026 is an apocalyptic number.

6878026 is a deficient number, since it is larger than the sum of its proper divisors (3439016).

6878026 is a wasteful number, since it uses less digits than its factorization.

6878026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439015.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 6878026 is about 2622.5990925035. The cubic root of 6878026 is about 190.1755164834.

The spelling of 6878026 in words is "six million, eight hundred seventy-eight thousand, twenty-six".