6902878 has 4 divisors (see below), whose sum is σ = 10354320. Its totient is φ = 3451438.

The previous prime is 6902851. The next prime is 6902881. The reversal of 6902878 is 8782096.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6902878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725718 + ... + 1725721.

It is an arithmetic number, because the mean of its divisors is an integer number (2588580).

Almost surely, 2^6902878 is an apocalyptic number.

6902878 is a deficient number, since it is larger than the sum of its proper divisors (3451442).

6902878 is a wasteful number, since it uses less digits than its factorization.

6902878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451441.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 6902878 is about 2627.3328681383. The cubic root of 6902878 is about 190.4042914728.

The spelling of 6902878 in words is "six million, nine hundred two thousand, eight hundred seventy-eight".