7844941382 has 4 divisors (see below), whose sum is σ = 11767412076. Its totient is φ = 3922470690.

The previous prime is 7844941381. The next prime is 7844941393. The reversal of 7844941382 is 2831494487.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7844941382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7844941381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961235344 + ... + 1961235347.

It is an arithmetic number, because the mean of its divisors is an integer number (2941853019).

Almost surely, 2^7844941382 is an apocalyptic number.

7844941382 is a deficient number, since it is larger than the sum of its proper divisors (3922470694).

7844941382 is a wasteful number, since it uses less digits than its factorization.

7844941382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922470693.

The product of its digits is 1548288, while the sum is 50.

The square root of 7844941382 is about 88571.6736998912. The cubic root of 7844941382 is about 1986.9940545258.

The spelling of 7844941382 in words is "seven billion, eight hundred forty-four million, nine hundred forty-one thousand, three hundred eighty-two".