12782604977 has 8 divisors (see below), whose sum is σ = 13456853760. Its totient is φ = 12108504240.

The previous prime is 12782604953. The next prime is 12782605019. The reversal of 12782604977 is 77940628721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12782604977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12782604937) 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 7 ways as a sum of consecutive naturals, for example, 169952 + ... + 233342.

It is an arithmetic number, because the mean of its divisors is an integer number (1682106720).

Almost surely, 2^12782604977 is an apocalyptic number.

It is an amenable number.

12782604977 is a deficient number, since it is larger than the sum of its proper divisors (674248783).

12782604977 is a wasteful number, since it uses less digits than its factorization.

12782604977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74023.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 12782604977 in words is "twelve billion, seven hundred eighty-two million, six hundred four thousand, nine hundred seventy-seven".