2788650228 has 96 divisors (see below), whose sum is σ = 8022841344. Its totient is φ = 734145408.

The previous prime is 2788650211. The next prime is 2788650239. The reversal of 2788650228 is 8220568872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704551 + ... + 708497.

It is an arithmetic number, because the mean of its divisors is an integer number (83571264).

Almost surely, 2^2788650228 is an apocalyptic number.

2788650228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2788650228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4011420672).

2788650228 is an abundant number, since it is smaller than the sum of its proper divisors (5234191116).

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

2788650228 is a wasteful number, since it uses less digits than its factorization.

2788650228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 2788650228 is about 52807.6720562458. The cubic root of 2788650228 is about 1407.5527571041.

The spelling of 2788650228 in words is "two billion, seven hundred eighty-eight million, six hundred fifty thousand, two hundred twenty-eight".