6878676745 has 4 divisors (see below), whose sum is σ = 8254412100. Its totient is φ = 5502941392.

The previous prime is 6878676689. The next prime is 6878676751. The reversal of 6878676745 is 5476768786.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1353430521 + 5525246224 = 36789^2 + 74332^2 .

It is a cyclic number.

It is not a de Polignac number, because 6878676745 - 2⁷ = 6878676617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687867670 + ... + 687867679.

It is an arithmetic number, because the mean of its divisors is an integer number (2063603025).

Almost surely, 2^6878676745 is an apocalyptic number.

It is an amenable number.

6878676745 is a deficient number, since it is larger than the sum of its proper divisors (1375735355).

6878676745 is a wasteful number, since it uses less digits than its factorization.

6878676745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375735354.

The product of its digits is 94832640, while the sum is 64.

The square root of 6878676745 is about 82937.7884019100. The cubic root of 6878676745 is about 1901.8151393402.

The spelling of 6878676745 in words is "six billion, eight hundred seventy-eight million, six hundred seventy-six thousand, seven hundred forty-five".