6856747126 has 8 divisors (see below), whose sum is σ = 10290225960. Its totient is φ = 3426671808.

The previous prime is 6856747123. The next prime is 6856747141. The reversal of 6856747126 is 6217476586.

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

It is a super-2 number, since 2×6856747126² = 94029962299818519752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856747123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845836 + ... + 853903.

It is an arithmetic number, because the mean of its divisors is an integer number (1286278245).

Almost surely, 2^6856747126 is an apocalyptic number.

6856747126 is a deficient number, since it is larger than the sum of its proper divisors (3433478834).

6856747126 is a wasteful number, since it uses less digits than its factorization.

6856747126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701758.

The product of its digits is 3386880, while the sum is 52.

The square root of 6856747126 is about 82805.4776328233. The cubic root of 6856747126 is about 1899.7919556139.

The spelling of 6856747126 in words is "six billion, eight hundred fifty-six million, seven hundred forty-seven thousand, one hundred twenty-six".