2785292980 has 12 divisors (see below), whose sum is σ = 5849115300. Its totient is φ = 1114117184.

The previous prime is 2785292977. The next prime is 2785292987. The reversal of 2785292980 is 892925872.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2198296996 + 586995984 = 46886^2 + 24228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785292987) 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, 69632305 + ... + 69632344.

It is an arithmetic number, because the mean of its divisors is an integer number (487426275).

Almost surely, 2^2785292980 is an apocalyptic number.

2785292980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2785292980 is an abundant number, since it is smaller than the sum of its proper divisors (3063822320).

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

2785292980 is a wasteful number, since it uses less digits than its factorization.

2785292980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139264658 (or 139264656 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2785292980 is about 52775.8749809039. The cubic root of 2785292980 is about 1406.9876807049.

The spelling of 2785292980 in words is "two billion, seven hundred eighty-five million, two hundred ninety-two thousand, nine hundred eighty".