6978716126 has 8 divisors (see below), whose sum is σ = 10469524104. Its totient is φ = 3488874760.

The previous prime is 6978716083. The next prime is 6978716137. The reversal of 6978716126 is 6216178796.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223325 + ... + 252648.

It is an arithmetic number, because the mean of its divisors is an integer number (1308690513).

Almost surely, 2^6978716126 is an apocalyptic number.

6978716126 is a deficient number, since it is larger than the sum of its proper divisors (3490807978).

6978716126 is a wasteful number, since it uses less digits than its factorization.

6978716126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483306.

The product of its digits is 1524096, while the sum is 53.

The square root of 6978716126 is about 83538.7103443667. The cubic root of 6978716126 is about 1910.9904246262.

The spelling of 6978716126 in words is "six billion, nine hundred seventy-eight million, seven hundred sixteen thousand, one hundred twenty-six".