13027776057 has 6 divisors (see below), whose sum is σ = 18817898762. Its totient is φ = 8685184032.

The previous prime is 13027776049. The next prime is 13027776079. The reversal of 13027776057 is 75067772031.

13027776057 is a `hidden beast` number, since 1 + 30 + 2 + 7 + 7 + 7 + 605 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12192797241 + 834978816 = 110421^2 + 28896^2 .

It is not a de Polignac number, because 13027776057 - 2³ = 13027776049 is a prime.

It is a super-3 number, since 3×13027776057³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13027776007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 723765328 + ... + 723765345.

Almost surely, 2^13027776057 is an apocalyptic number.

It is an amenable number.

13027776057 is a deficient number, since it is larger than the sum of its proper divisors (5790122705).

13027776057 is a wasteful number, since it uses less digits than its factorization.

13027776057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447530679 (or 1447530676 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 45.

The spelling of 13027776057 in words is "thirteen billion, twenty-seven million, seven hundred seventy-six thousand, fifty-seven".