2768901784 has 64 divisors (see below), whose sum is σ = 5749380000. Its totient is φ = 1239659520.

The previous prime is 2768901781. The next prime is 2768901797. The reversal of 2768901784 is 4871098672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768901781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2732862 + ... + 2733874.

Almost surely, 2^2768901784 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 2768901784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2874690000).

2768901784 is an abundant number, since it is smaller than the sum of its proper divisors (2980478216).

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

2768901784 is a wasteful number, since it uses less digits than its factorization.

2768901784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 2768901784 is about 52620.3552249507. The cubic root of 2768901784 is about 1404.2222506202. Note that the first 4 decimals are identical.

The spelling of 2768901784 in words is "two billion, seven hundred sixty-eight million, nine hundred one thousand, seven hundred eighty-four".