12847654477 has 16 divisors (see below), whose sum is σ = 16048253952. Its totient is φ = 10030152960.

The previous prime is 12847654471. The next prime is 12847654493. The reversal of 12847654477 is 77445674821.

It is a cyclic number.

It is not a de Polignac number, because 12847654477 - 2⁷ = 12847654349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12847654471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737658 + ... + 1745035.

It is an arithmetic number, because the mean of its divisors is an integer number (1003015872).

Almost surely, 2^12847654477 is an apocalyptic number.

12847654477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12847654477 is a deficient number, since it is larger than the sum of its proper divisors (3200599475).

12847654477 is a wasteful number, since it uses less digits than its factorization.

12847654477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482748.

The product of its digits is 10536960, while the sum is 55.

The spelling of 12847654477 in words is "twelve billion, eight hundred forty-seven million, six hundred fifty-four thousand, four hundred seventy-seven".