6856000077 has 8 divisors (see below), whose sum is σ = 9151284160. Its totient is φ = 4565691360.

The previous prime is 6856000049. The next prime is 6856000079. The reversal of 6856000077 is 7700006586.

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

It is not a de Polignac number, because 6856000077 - 2²² = 6851805773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6855999999 and 6856000044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856000079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240624 + ... + 1246137.

It is an arithmetic number, because the mean of its divisors is an integer number (1143910520).

Almost surely, 2^6856000077 is an apocalyptic number.

It is an amenable number.

6856000077 is a deficient number, since it is larger than the sum of its proper divisors (2295284083).

6856000077 is a wasteful number, since it uses less digits than its factorization.

6856000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487683.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 6856000077 is about 82800.9666429082. The cubic root of 6856000077 is about 1899.7229584058.

The spelling of 6856000077 in words is "six billion, eight hundred fifty-six million, seventy-seven", and thus it is an aban number.