12783055824 has 560 divisors, whose sum is σ = 47516434944. Its totient is φ = 3233260800.

The previous prime is 12783055819. The next prime is 12783055903. The reversal of 12783055824 is 42855038721.

12783055824 is a `hidden beast` number, since 1 + 2 + 78 + 3 + 0 + 558 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12783055824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 38619339 + ... + 38619669.

Almost surely, 2^12783055824 is an apocalyptic number.

12783055824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12783055824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23758217472).

12783055824 is an abundant number, since it is smaller than the sum of its proper divisors (34733379120).

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

12783055824 is a wasteful number, since it uses less digits than its factorization.

12783055824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 12783055824 in words is "twelve billion, seven hundred eighty-three million, fifty-five thousand, eight hundred twenty-four".