6878006513 has 8 divisors (see below), whose sum is σ = 7862986560. Its totient is φ = 5893628400.

The previous prime is 6878006449. The next prime is 6878006521. The reversal of 6878006513 is 3156008786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6878006513 - 2⁶ = 6878006449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6878006533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125723 + ... + 171936.

It is an arithmetic number, because the mean of its divisors is an integer number (982873320).

Almost surely, 2^6878006513 is an apocalyptic number.

It is an amenable number.

6878006513 is a deficient number, since it is larger than the sum of its proper divisors (984980047).

6878006513 is a wasteful number, since it uses less digits than its factorization.

6878006513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300967.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 6878006513 is about 82933.7477327535. The cubic root of 6878006513 is about 1901.7533687985.

The spelling of 6878006513 in words is "six billion, eight hundred seventy-eight million, six thousand, five hundred thirteen".