12797984574957 has 16 divisors (see below), whose sum is σ = 17083201069440. Its totient is φ = 8522379820032.

The previous prime is 12797984574953. The next prime is 12797984574961. The reversal of 12797984574957 is 75947548979721.

It is an interprime number because it is at equal distance from previous prime (12797984574953) and next prime (12797984574961).

It is not a de Polignac number, because 12797984574957 - 2² = 12797984574953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12797984574957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12797984574953) 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, 61636768 + ... + 61844054.

It is an arithmetic number, because the mean of its divisors is an integer number (1067700066840).

Almost surely, 2^{12797984574957} is an apocalyptic number.

It is an amenable number.

12797984574957 is a deficient number, since it is larger than the sum of its proper divisors (4285216494483).

12797984574957 is a wasteful number, since it uses less digits than its factorization.

12797984574957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230372.

The product of its digits is 11202105600, while the sum is 84.

The spelling of 12797984574957 in words is "twelve trillion, seven hundred ninety-seven billion, nine hundred eighty-four million, five hundred seventy-four thousand, nine hundred fifty-seven".