6878574787 has 16 divisors (see below), whose sum is σ = 8209566720. Its totient is φ = 5635076832.

The previous prime is 6878574763. The next prime is 6878574809. The reversal of 6878574787 is 7874758786.

6878574787 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6878574787 - 2³¹ = 4731091139 is a prime.

It is a super-2 number, since 2×6878574787² = 94629582200704190738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6878574707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193389 + ... + 226177.

It is an arithmetic number, because the mean of its divisors is an integer number (513097920).

Almost surely, 2^6878574787 is an apocalyptic number.

6878574787 is a deficient number, since it is larger than the sum of its proper divisors (1330991933).

6878574787 is a wasteful number, since it uses less digits than its factorization.

6878574787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34122.

The product of its digits is 147517440, while the sum is 67.

The square root of 6878574787 is about 82937.1737340983. The cubic root of 6878574787 is about 1901.8057428514.

The spelling of 6878574787 in words is "six billion, eight hundred seventy-eight million, five hundred seventy-four thousand, seven hundred eighty-seven".