3782978843 has 8 divisors (see below), whose sum is σ = 4511378688. Its totient is φ = 3101572584.

The previous prime is 3782978819. The next prime is 3782978851. The reversal of 3782978843 is 3488792873.

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 3782978843 - 2¹⁴ = 3782962459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3782978893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11748221 + ... + 11748542.

It is an arithmetic number, because the mean of its divisors is an integer number (563922336).

Almost surely, 2^3782978843 is an apocalyptic number.

3782978843 is a deficient number, since it is larger than the sum of its proper divisors (728399845).

3782978843 is a wasteful number, since it uses less digits than its factorization.

3782978843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23496793.

The product of its digits is 16257024, while the sum is 59.

The square root of 3782978843 is about 61505.9252674082. The cubic root of 3782978843 is about 1558.1573195336.

The spelling of 3782978843 in words is "three billion, seven hundred eighty-two million, nine hundred seventy-eight thousand, eight hundred forty-three".