12677782415 has 16 divisors (see below), whose sum is σ = 15339978720. Its totient is φ = 10057906560.

The previous prime is 12677782409. The next prime is 12677782427. The reversal of 12677782415 is 51428777621.

It is not a de Polignac number, because 12677782415 - 2⁴ = 12677782399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087397 + ... + 1098993.

It is an arithmetic number, because the mean of its divisors is an integer number (958748670).

Almost surely, 2^12677782415 is an apocalyptic number.

12677782415 is a deficient number, since it is larger than the sum of its proper divisors (2662196305).

12677782415 is a wasteful number, since it uses less digits than its factorization.

12677782415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13402.

The product of its digits is 1317120, while the sum is 50.

The spelling of 12677782415 in words is "twelve billion, six hundred seventy-seven million, seven hundred eighty-two thousand, four hundred fifteen".