2825637780 has 96 divisors (see below), whose sum is σ = 9056968704. Its totient is φ = 644793984.

The previous prime is 2825637751. The next prime is 2825637821. The reversal of 2825637780 is 877365282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264829 + ... + 275291.

It is an arithmetic number, because the mean of its divisors is an integer number (94343424).

Almost surely, 2^2825637780 is an apocalyptic number.

2825637780 is a gapful number since it is divisible by the number (20) 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 2825637780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4528484352).

2825637780 is an abundant number, since it is smaller than the sum of its proper divisors (6231330924).

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

2825637780 is a wasteful number, since it uses less digits than its factorization.

2825637780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11125 (or 11123 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 2825637780 is about 53156.7284546369. The cubic root of 2825637780 is about 1413.7485186759.

The spelling of 2825637780 in words is "two billion, eight hundred twenty-five million, six hundred thirty-seven thousand, seven hundred eighty".