12677355477 has 12 divisors (see below), whose sum is σ = 18312940620. Its totient is φ = 8451014208.

The previous prime is 12677355461. The next prime is 12677355479. The reversal of 12677355477 is 77455377621.

12677355477 is a `hidden beast` number, since 1 + 2 + 67 + 7 + 35 + 547 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3859018641 + 8818336836 = 62121^2 + 93906^2 .

It is not a de Polignac number, because 12677355477 - 2⁴ = 12677355461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677355479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135649 + ... + 209177.

It is an arithmetic number, because the mean of its divisors is an integer number (1526078385).

Almost surely, 2^12677355477 is an apocalyptic number.

It is an amenable number.

12677355477 is a deficient number, since it is larger than the sum of its proper divisors (5635585143).

12677355477 is a wasteful number, since it uses less digits than its factorization.

12677355477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92692 (or 92689 counting only the distinct ones).

The product of its digits is 8643600, while the sum is 54.

The spelling of 12677355477 in words is "twelve billion, six hundred seventy-seven million, three hundred fifty-five thousand, four hundred seventy-seven".