3989779522 has 32 divisors (see below), whose sum is σ = 6225235200. Its totient is φ = 1916535168.

The previous prime is 3989779511. The next prime is 3989779529. The reversal of 3989779522 is 2259779893.

It is not an unprimeable number, because it can be changed into a prime (3989779529) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1570129 + ... + 1572667.

It is an arithmetic number, because the mean of its divisors is an integer number (194538600).

Almost surely, 2^3989779522 is an apocalyptic number.

3989779522 is a deficient number, since it is larger than the sum of its proper divisors (2235455678).

3989779522 is a wasteful number, since it uses less digits than its factorization.

3989779522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890.

The product of its digits is 17146080, while the sum is 61.

The square root of 3989779522 is about 63164.7015507871. The cubic root of 3989779522 is about 1586.0478990298.

The spelling of 3989779522 in words is "three billion, nine hundred eighty-nine million, seven hundred seventy-nine thousand, five hundred twenty-two".