6813078507 has 16 divisors (see below), whose sum is σ = 10113300000. Its totient is φ = 4533119712.

The previous prime is 6813078497. The next prime is 6813078529. The reversal of 6813078507 is 7058703186.

6813078507 is a `hidden beast` number, since 6 + 8 + 130 + 7 + 8 + 507 = 666.

It is not a de Polignac number, because 6813078507 - 2⁶ = 6813078443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6813078557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234132 + ... + 261617.

It is an arithmetic number, because the mean of its divisors is an integer number (632081250).

Almost surely, 2^6813078507 is an apocalyptic number.

6813078507 is a deficient number, since it is larger than the sum of its proper divisors (3300221493).

6813078507 is a wasteful number, since it uses less digits than its factorization.

6813078507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496267 (or 496261 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 6813078507 is about 82541.3745160571. The cubic root of 6813078507 is about 1895.7502900788.

The spelling of 6813078507 in words is "six billion, eight hundred thirteen million, seventy-eight thousand, five hundred seven".