6878414781 has 40 divisors (see below), whose sum is σ = 11751907200. Its totient is φ = 3927556512.

The previous prime is 6878414749. The next prime is 6878414791. The reversal of 6878414781 is 1874148786.

6878414781 is a `hidden beast` number, since 68 + 78 + 41 + 478 + 1 = 666.

It is not a de Polignac number, because 6878414781 - 2⁵ = 6878414749 is a prime.

It is a super-2 number, since 2×6878414781² = 94625179798958555922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6878414791) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 907395 + ... + 914943.

It is an arithmetic number, because the mean of its divisors is an integer number (293797680).

Almost surely, 2^6878414781 is an apocalyptic number.

It is an amenable number.

6878414781 is a deficient number, since it is larger than the sum of its proper divisors (4873492419).

6878414781 is a wasteful number, since it uses less digits than its factorization.

6878414781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175 (or 9166 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 54.

The square root of 6878414781 is about 82936.2091067587. The cubic root of 6878414781 is about 1901.7909964493.

The spelling of 6878414781 in words is "six billion, eight hundred seventy-eight million, four hundred fourteen thousand, seven hundred eighty-one".