2783820372 has 12 divisors (see below), whose sum is σ = 6495580896. Its totient is φ = 927940120.

The previous prime is 2783820371. The next prime is 2783820379. The reversal of 2783820372 is 2730283872.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783820371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115992504 + ... + 115992527.

It is an arithmetic number, because the mean of its divisors is an integer number (541298408).

Almost surely, 2^2783820372 is an apocalyptic number.

It is an amenable number.

2783820372 is an abundant number, since it is smaller than the sum of its proper divisors (3711760524).

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

2783820372 is a wasteful number, since it uses less digits than its factorization.

2783820372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231985038 (or 231985036 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 2783820372 is about 52761.9216101916. The cubic root of 2783820372 is about 1406.7396748892.

The spelling of 2783820372 in words is "two billion, seven hundred eighty-three million, eight hundred twenty thousand, three hundred seventy-two".