12808488747 has 16 divisors (see below), whose sum is σ = 17422490880. Its totient is φ = 8367152352.

The previous prime is 12808488743. The next prime is 12808488787. The reversal of 12808488747 is 74788480821.

It is a happy number.

It is not a de Polignac number, because 12808488747 - 2² = 12808488743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12808488743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73954 + ... + 176312.

It is an arithmetic number, because the mean of its divisors is an integer number (1088905680).

Almost surely, 2^12808488747 is an apocalyptic number.

12808488747 is a deficient number, since it is larger than the sum of its proper divisors (4614002133).

12808488747 is a wasteful number, since it uses less digits than its factorization.

12808488747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103202.

The product of its (nonzero) digits is 6422528, while the sum is 57.

The spelling of 12808488747 in words is "twelve billion, eight hundred eight million, four hundred eighty-eight thousand, seven hundred forty-seven".