1982237773 has 8 divisors (see below), whose sum is σ = 2077010496. Its totient is φ = 1888180800.

The previous prime is 1982237767. The next prime is 1982237801. The reversal of 1982237773 is 3777322891.

It is a happy number.

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 1982237773 - 2¹³ = 1982229581 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 (1982237713) 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, 173263 + ... + 184348.

It is an arithmetic number, because the mean of its divisors is an integer number (259626312).

Almost surely, 2^1982237773 is an apocalyptic number.

It is an amenable number.

1982237773 is a deficient number, since it is larger than the sum of its proper divisors (94772723).

1982237773 is a wasteful number, since it uses less digits than its factorization.

1982237773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357875.

The product of its digits is 889056, while the sum is 49.

The square root of 1982237773 is about 44522.3289260569. The cubic root of 1982237773 is about 1256.1801194498.

The spelling of 1982237773 in words is "one billion, nine hundred eighty-two million, two hundred thirty-seven thousand, seven hundred seventy-three".