2903428782 has 48 divisors (see below), whose sum is σ = 6581772288. Its totient is φ = 923263440.

The previous prime is 2903428771. The next prime is 2903428799. The reversal of 2903428782 is 2878243092.

2903428782 is a `hidden beast` number, since 290 + 3 + 4 + 287 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149407 + ... + 167717.

It is an arithmetic number, because the mean of its divisors is an integer number (137120256).

Almost surely, 2^2903428782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2903428782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3290886144).

2903428782 is an abundant number, since it is smaller than the sum of its proper divisors (3678343506).

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

2903428782 is a wasteful number, since it uses less digits than its factorization.

2903428782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18725 (or 18722 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2903428782 is about 53883.4741084871. The cubic root of 2903428782 is about 1426.6049477502.

The spelling of 2903428782 in words is "two billion, nine hundred three million, four hundred twenty-eight thousand, seven hundred eighty-two".