2947112784 has 360 divisors, whose sum is σ = 10534561856. Its totient is φ = 752716800.

The previous prime is 2947112761. The next prime is 2947112813. The reversal of 2947112784 is 4872117492.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8903499 + ... + 8903829.

Almost surely, 2^2947112784 is an apocalyptic number.

2947112784 is a gapful number since it is divisible by the number (24) 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 2947112784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5267280928).

2947112784 is an abundant number, since it is smaller than the sum of its proper divisors (7587449072).

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

2947112784 is a wasteful number, since it uses less digits than its factorization.

2947112784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 427 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2947112784 is about 54287.3169718305. The cubic root of 2947112784 is about 1433.7240997422.

The spelling of 2947112784 in words is "two billion, nine hundred forty-seven million, one hundred twelve thousand, seven hundred eighty-four".