2082780243 has 32 divisors (see below), whose sum is σ = 3143162880. Its totient is φ = 1362795840.

The previous prime is 2082780241. The next prime is 2082780257. The reversal of 2082780243 is 3420872802.

It is not a de Polignac number, because 2082780243 - 2¹ = 2082780241 is a prime.

It is a super-2 number, since 2×2082780243² = 8675947081262278098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2082780198 and 2082780207.

It is not an unprimeable number, because it can be changed into a prime (2082780241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444330 + ... + 448992.

It is an arithmetic number, because the mean of its divisors is an integer number (98223840).

Almost surely, 2^2082780243 is an apocalyptic number.

2082780243 is a deficient number, since it is larger than the sum of its proper divisors (1060382637).

2082780243 is a wasteful number, since it uses less digits than its factorization.

2082780243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976 (or 4970 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2082780243 is about 45637.4872555446. The cubic root of 2082780243 is about 1277.0693537620.

The spelling of 2082780243 in words is "two billion, eighty-two million, seven hundred eighty thousand, two hundred forty-three".