12788556795 has 36 divisors (see below), whose sum is σ = 25785910800. Its totient is φ = 5846196384.

The previous prime is 12788556773. The next prime is 12788556829. The reversal of 12788556795 is 59765588721.

12788556795 is a `hidden beast` number, since 1 + 2 + 7 + 8 + 8 + 556 + 79 + 5 = 666.

It is not a de Polignac number, because 12788556795 - 2¹⁷ = 12788425723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2897695 + ... + 2902104.

It is an arithmetic number, because the mean of its divisors is an integer number (716275300).

Almost surely, 2^12788556795 is an apocalyptic number.

12788556795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12788556795 is an abundant number, since it is smaller than the sum of its proper divisors (12997354005).

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

12788556795 is a wasteful number, since it uses less digits than its factorization.

12788556795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799824 (or 5799814 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 63.

The spelling of 12788556795 in words is "twelve billion, seven hundred eighty-eight million, five hundred fifty-six thousand, seven hundred ninety-five".