12777600472 has 128 divisors (see below), whose sum is σ = 31797158400. Its totient is φ = 4671820800.

The previous prime is 12777600443. The next prime is 12777600551. The reversal of 12777600472 is 27400677721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555847 + ... + 578377.

It is an arithmetic number, because the mean of its divisors is an integer number (248415300).

Almost surely, 2^12777600472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12777600472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15898579200).

12777600472 is an abundant number, since it is smaller than the sum of its proper divisors (19019557928).

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

12777600472 is a wasteful number, since it uses less digits than its factorization.

12777600472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22617 (or 22613 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 43.

The spelling of 12777600472 in words is "twelve billion, seven hundred seventy-seven million, six hundred thousand, four hundred seventy-two".