2989582780 has 48 divisors (see below), whose sum is σ = 6634091520. Its totient is φ = 1129347648.

The previous prime is 2989582763. The next prime is 2989582781. The reversal of 2989582780 is 872859892.

2989582780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989582781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4794 + ... + 77473.

It is an arithmetic number, because the mean of its divisors is an integer number (138210240).

Almost surely, 2^2989582780 is an apocalyptic number.

2989582780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2989582780 is an abundant number, since it is smaller than the sum of its proper divisors (3644508740).

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

2989582780 is a wasteful number, since it uses less digits than its factorization.

2989582780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82378 (or 82376 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 58.

The square root of 2989582780 is about 54677.0772810691. The cubic root of 2989582780 is about 1440.5782753325.

The spelling of 2989582780 in words is "two billion, nine hundred eighty-nine million, five hundred eighty-two thousand, seven hundred eighty".