1980003579876 has 81 divisors (see below), whose sum is σ = 5822327168931. Its totient is φ = 565698423024.

The previous prime is 1980003579847. The next prime is 1980003579929. The reversal of 1980003579876 is 6789753000891.

The square root of 1980003579876 is 1407126.

It is a perfect power (a square), and thus also a powerful number.

1980003579876 is a `hidden beast` number, since 198 + 0 + 0 + 0 + 357 + 98 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 59082541 + ... + 59116043.

Almost surely, 2^{1980003579876} is an apocalyptic number.

1980003579876 is the 1407126-th square number.

It is an amenable number.

1980003579876 is an abundant number, since it is smaller than the sum of its proper divisors (3842323589055).

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

1980003579876 is an frugal number, since it uses more digits than its factorization.

1980003579876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67030 (or 33515 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 1980003579876 in words is "one trillion, nine hundred eighty billion, three million, five hundred seventy-nine thousand, eight hundred seventy-six".