6855182977 has 4 divisors (see below), whose sum is σ = 6855807700. Its totient is φ = 6854558256.

The previous prime is 6855182953. The next prime is 6855183031. The reversal of 6855182977 is 7792815586.

6855182977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5470673296 + 1384509681 = 73964^2 + 37209^2 .

It is a cyclic number.

It is not a de Polignac number, because 6855182977 - 2²³ = 6846794369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6855182927) 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, 295602 + ... + 317947.

It is an arithmetic number, because the mean of its divisors is an integer number (1713951925).

Almost surely, 2^6855182977 is an apocalyptic number.

It is an amenable number.

6855182977 is a deficient number, since it is larger than the sum of its proper divisors (624723).

6855182977 is a wasteful number, since it uses less digits than its factorization.

6855182977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624722.

The product of its digits is 8467200, while the sum is 58.

The square root of 6855182977 is about 82796.0323747461. The cubic root of 6855182977 is about 1899.6474855702.

The spelling of 6855182977 in words is "six billion, eight hundred fifty-five million, one hundred eighty-two thousand, nine hundred seventy-seven".