6856683790 has 32 divisors (see below), whose sum is σ = 13792433760. Its totient is φ = 2432524800.

The previous prime is 6856683773. The next prime is 6856683791. The reversal of 6856683790 is 973866586.

6856683790 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×6856683790² = 94028225192097528200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856683791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755655 + ... + 764674.

It is an arithmetic number, because the mean of its divisors is an integer number (431013555).

Almost surely, 2^6856683790 is an apocalyptic number.

6856683790 is an abundant number, since it is smaller than the sum of its proper divisors (6935749970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6856683790 is a wasteful number, since it uses less digits than its factorization.

6856683790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520388.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The square root of 6856683790 is about 82805.0951934722. The cubic root of 6856683790 is about 1899.7861061155.

The spelling of 6856683790 in words is "six billion, eight hundred fifty-six million, six hundred eighty-three thousand, seven hundred ninety".