12797754688 has 56 divisors (see below), whose sum is σ = 26016399072. Its totient is φ = 6244237824.

The previous prime is 12797754667. The next prime is 12797754709. The reversal of 12797754688 is 88645779721.

It is an interprime number because it is at equal distance from previous prime (12797754667) and next prime (12797754709).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444870 + ... + 472762.

Almost surely, 2^12797754688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12797754688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13008199536).

12797754688 is an abundant number, since it is smaller than the sum of its proper divisors (13218644384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12797754688 is a wasteful number, since it uses less digits than its factorization.

12797754688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28079 (or 28069 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 64.

The spelling of 12797754688 in words is "twelve billion, seven hundred ninety-seven million, seven hundred fifty-four thousand, six hundred eighty-eight".