2783078428 has 48 divisors (see below), whose sum is σ = 5603624320. Its totient is φ = 1198701504.

The previous prime is 2783078411. The next prime is 2783078491. The reversal of 2783078428 is 8248703872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45175 + ... + 87217.

Almost surely, 2^2783078428 is an apocalyptic number.

It is an amenable number.

2783078428 is an abundant number, since it is smaller than the sum of its proper divisors (2820545892).

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

2783078428 is a wasteful number, since it uses less digits than its factorization.

2783078428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42146 (or 42144 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The square root of 2783078428 is about 52754.8900861332. The cubic root of 2783078428 is about 1406.6146889993.

The spelling of 2783078428 in words is "two billion, seven hundred eighty-three million, seventy-eight thousand, four hundred twenty-eight".