2077656849 has 6 divisors (see below), whose sum is σ = 3001059906. Its totient is φ = 1385104560.

The previous prime is 2077656829. The next prime is 2077656863. The reversal of 2077656849 is 9486567702.

2077656849 is a `hidden beast` number, since 2 + 0 + 7 + 76 + 568 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2058890625 + 18766224 = 45375^2 + 4332^2 .

It is not a de Polignac number, because 2077656849 - 2¹⁷ = 2077525777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2077656795 and 2077656804.

It is not an unprimeable number, because it can be changed into a prime (2077656829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115425372 + ... + 115425389.

It is an arithmetic number, because the mean of its divisors is an integer number (500176651).

Almost surely, 2^2077656849 is an apocalyptic number.

It is an amenable number.

2077656849 is a deficient number, since it is larger than the sum of its proper divisors (923403057).

2077656849 is a wasteful number, since it uses less digits than its factorization.

2077656849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230850767 (or 230850764 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 2077656849 is about 45581.3212730829. The cubic root of 2077656849 is about 1276.0213472531.

The spelling of 2077656849 in words is "two billion, seventy-seven million, six hundred fifty-six thousand, eight hundred forty-nine".