6715406678 has 16 divisors (see below), whose sum is σ = 10121584176. Its totient is φ = 3341564160.

The previous prime is 6715406647. The next prime is 6715406681. The reversal of 6715406678 is 8766045176.

It is a super-3 number, since 3×6715406678³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918425 + ... + 925707.

It is an arithmetic number, because the mean of its divisors is an integer number (632599011).

Almost surely, 2^6715406678 is an apocalyptic number.

6715406678 is a deficient number, since it is larger than the sum of its proper divisors (3406177498).

6715406678 is a wasteful number, since it uses less digits than its factorization.

6715406678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9439.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 6715406678 is about 81947.5849430598. The cubic root of 6715406678 is about 1886.6475360400.

The spelling of 6715406678 in words is "six billion, seven hundred fifteen million, four hundred six thousand, six hundred seventy-eight".