12797948502477 has 24 divisors (see below), whose sum is σ = 19232499752960. Its totient is φ = 8191727238240.

The previous prime is 12797948502461. The next prime is 12797948502481. The reversal of 12797948502477 is 77420584979721.

12797948502477 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 7 + 9 + 48 + 502 + 4 + 77 = 666.

It is not a de Polignac number, because 12797948502477 - 2⁴ = 12797948502461 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 (12797948502277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180558202 + ... + 180629067.

Almost surely, 2^{12797948502477} is an apocalyptic number.

It is an amenable number.

12797948502477 is a deficient number, since it is larger than the sum of its proper divisors (6434551250483).

12797948502477 is a wasteful number, since it uses less digits than its factorization.

12797948502477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361187433 (or 361187430 counting only the distinct ones).

The product of its (nonzero) digits is 497871360, while the sum is 72.

The spelling of 12797948502477 in words is "twelve trillion, seven hundred ninety-seven billion, nine hundred forty-eight million, five hundred two thousand, four hundred seventy-seven".