12790477880 has 16 divisors (see below), whose sum is σ = 28778575320. Its totient is φ = 5116191136.

The previous prime is 12790477879. The next prime is 12790477897. The reversal of 12790477880 is 8877409721.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 159880934 + ... + 159881013.

Almost surely, 2^12790477880 is an apocalyptic number.

12790477880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12790477880 is an abundant number, since it is smaller than the sum of its proper divisors (15988097440).

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

12790477880 is a wasteful number, since it uses less digits than its factorization.

12790477880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319761958 (or 319761954 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 12790477880 in words is "twelve billion, seven hundred ninety million, four hundred seventy-seven thousand, eight hundred eighty".