2107780489 has 8 divisors (see below), whose sum is σ = 2177515520. Its totient is φ = 2038154400.

The previous prime is 2107780463. The next prime is 2107780501. The reversal of 2107780489 is 9840877012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2107780489 - 2¹¹ = 2107778441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2107780459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13069 + ... + 66229.

It is an arithmetic number, because the mean of its divisors is an integer number (272189440).

Almost surely, 2^2107780489 is an apocalyptic number.

It is an amenable number.

2107780489 is a deficient number, since it is larger than the sum of its proper divisors (69735031).

2107780489 is a wasteful number, since it uses less digits than its factorization.

2107780489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54471.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 2107780489 is about 45910.5705584237. The cubic root of 2107780489 is about 1282.1587288648.

The spelling of 2107780489 in words is "two billion, one hundred seven million, seven hundred eighty thousand, four hundred eighty-nine".