1980827379 has 48 divisors (see below), whose sum is σ = 3051240192. Its totient is φ = 1283452128.

The previous prime is 1980827363. The next prime is 1980827389. The reversal of 1980827379 is 9737280891.

1980827379 is a `hidden beast` number, since 198 + 0 + 82 + 7 + 379 = 666.

It is not a de Polignac number, because 1980827379 - 2⁴ = 1980827363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1980827309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3061234 + ... + 3061880.

It is an arithmetic number, because the mean of its divisors is an integer number (63567504).

Almost surely, 2^1980827379 is an apocalyptic number.

1980827379 is a deficient number, since it is larger than the sum of its proper divisors (1070412813).

1980827379 is an equidigital number, since it uses as much as digits as its factorization.

1980827379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 1980827379 is about 44506.4869316822. The cubic root of 1980827379 is about 1255.8821179867.

The spelling of 1980827379 in words is "one billion, nine hundred eighty million, eight hundred twenty-seven thousand, three hundred seventy-nine".