2783874772 has 72 divisors (see below), whose sum is σ = 5789015232. Its totient is φ = 1147426560.

The previous prime is 2783874757. The next prime is 2783874773. The reversal of 2783874772 is 2774783872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783874773) 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, 8260588 + ... + 8260924.

Almost surely, 2^2783874772 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 2783874772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2894507616).

2783874772 is an abundant number, since it is smaller than the sum of its proper divisors (3005140460).

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

2783874772 is a wasteful number, since it uses less digits than its factorization.

2783874772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 684 counting only the distinct ones).

The product of its digits is 7375872, while the sum is 55.

The square root of 2783874772 is about 52762.4371309742. The cubic root of 2783874772 is about 1406.7488380929.

The spelling of 2783874772 in words is "two billion, seven hundred eighty-three million, eight hundred seventy-four thousand, seven hundred seventy-two".