6934278878 has 16 divisors (see below), whose sum is σ = 10991047680. Its totient is φ = 3274412856.

The previous prime is 6934278851. The next prime is 6934278889. The reversal of 6934278878 is 8788724396.

It is a self number, because there is not a number n which added to its sum of digits gives 6934278878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950450 + ... + 957717.

It is an arithmetic number, because the mean of its divisors is an integer number (686940480).

Almost surely, 2^6934278878 is an apocalyptic number.

6934278878 is a deficient number, since it is larger than the sum of its proper divisors (4056768802).

6934278878 is a wasteful number, since it uses less digits than its factorization.

6934278878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908271.

The product of its digits is 32514048, while the sum is 62.

The square root of 6934278878 is about 83272.3175971463. The cubic root of 6934278878 is about 1906.9256828107.

The spelling of 6934278878 in words is "six billion, nine hundred thirty-four million, two hundred seventy-eight thousand, eight hundred seventy-eight".