2783774968 has 96 divisors (see below), whose sum is σ = 6048756000. Its totient is φ = 1193377536.

The previous prime is 2783774963. The next prime is 2783774969. The reversal of 2783774968 is 8694773872.

2783774968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783774963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1989133 + ... + 1990531.

It is an arithmetic number, because the mean of its divisors is an integer number (63007875).

Almost surely, 2^2783774968 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 2783774968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3024378000).

2783774968 is an abundant number, since it is smaller than the sum of its proper divisors (3264981032).

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

2783774968 is a wasteful number, since it uses less digits than its factorization.

2783774968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1486 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 61.

The square root of 2783774968 is about 52761.4913360113. The cubic root of 2783774968 is about 1406.7320268915.

The spelling of 2783774968 in words is "two billion, seven hundred eighty-three million, seven hundred seventy-four thousand, nine hundred sixty-eight".