2897340218784 has 384 divisors, whose sum is σ = 9440802201600. Its totient is φ = 856872898560.

The previous prime is 2897340218753. The next prime is 2897340218819. The reversal of 2897340218784 is 4878120437982.

2897340218784 is a `hidden beast` number, since 2 + 8 + 9 + 7 + 340 + 218 + 78 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 745007112 + ... + 745011000.

It is an arithmetic number, because the mean of its divisors is an integer number (24585422400).

Almost surely, 2^{2897340218784} is an apocalyptic number.

2897340218784 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 2897340218784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4720401100800).

2897340218784 is an abundant number, since it is smaller than the sum of its proper divisors (6543461982816).

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

2897340218784 is a wasteful number, since it uses less digits than its factorization.

2897340218784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785 (or 5771 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 2897340218784 in words is "two trillion, eight hundred ninety-seven billion, three hundred forty million, two hundred eighteen thousand, seven hundred eighty-four".