1982797133 has 8 divisors (see below), whose sum is σ = 2070155328. Its totient is φ = 1895534784.

The previous prime is 1982797121. The next prime is 1982797163. The reversal of 1982797133 is 3317972891.

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 1982797133 - 2¹⁴ = 1982780749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982797163) 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 7 ways as a sum of consecutive naturals, for example, 20066 + ... + 66092.

It is an arithmetic number, because the mean of its divisors is an integer number (258769416).

Almost surely, 2^1982797133 is an apocalyptic number.

It is an amenable number.

1982797133 is a deficient number, since it is larger than the sum of its proper divisors (87358195).

1982797133 is a wasteful number, since it uses less digits than its factorization.

1982797133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47923.

The product of its digits is 571536, while the sum is 50.

The square root of 1982797133 is about 44528.6102747436. The cubic root of 1982797133 is about 1256.2982672048.

The spelling of 1982797133 in words is "one billion, nine hundred eighty-two million, seven hundred ninety-seven thousand, one hundred thirty-three".