12788097784 has 64 divisors (see below), whose sum is σ = 30623443200. Its totient is φ = 4860844800.

The previous prime is 12788097689. The next prime is 12788097787. The reversal of 12788097784 is 48779088721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12788097787) 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, 227914 + ... + 278425.

It is an arithmetic number, because the mean of its divisors is an integer number (478491300).

Almost surely, 2^12788097784 is an apocalyptic number.

12788097784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12788097784 is an abundant number, since it is smaller than the sum of its proper divisors (17835345416).

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

12788097784 is a wasteful number, since it uses less digits than its factorization.

12788097784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506404 (or 506400 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 61.

The spelling of 12788097784 in words is "twelve billion, seven hundred eighty-eight million, ninety-seven thousand, seven hundred eighty-four".