2789030980 has 12 divisors (see below), whose sum is σ = 5856965100. Its totient is φ = 1115612384.

The previous prime is 2789030977. The next prime is 2789031001. The reversal of 2789030980 is 890309872.

It can be written as a sum of positive squares in 2 ways, for example, as 2027160576 + 761870404 = 45024^2 + 27602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2789030980.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69725755 + ... + 69725794.

It is an arithmetic number, because the mean of its divisors is an integer number (488080425).

Almost surely, 2^2789030980 is an apocalyptic number.

2789030980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2789030980 is an abundant number, since it is smaller than the sum of its proper divisors (3067934120).

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

2789030980 is a wasteful number, since it uses less digits than its factorization.

2789030980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139451558 (or 139451556 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2789030980 is about 52811.2770154254. The cubic root of 2789030980 is about 1407.6168148733.

The spelling of 2789030980 in words is "two billion, seven hundred eighty-nine million, thirty thousand, nine hundred eighty".