7844131348 has 6 divisors (see below), whose sum is σ = 13727229866. Its totient is φ = 3922065672.

The previous prime is 7844131327. The next prime is 7844131349. The reversal of 7844131348 is 8431314487.

It can be written as a sum of positive squares in only one way, i.e., 4178071044 + 3666060304 = 64638^2 + 60548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7844131349) 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 as a sum of consecutive naturals, namely, 980516415 + ... + 980516422.

Almost surely, 2^7844131348 is an apocalyptic number.

It is an amenable number.

7844131348 is a deficient number, since it is larger than the sum of its proper divisors (5883098518).

7844131348 is a wasteful number, since it uses less digits than its factorization.

7844131348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961032841 (or 1961032839 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 7844131348 is about 88567.1008219192. The cubic root of 7844131348 is about 1986.9256627616.

The spelling of 7844131348 in words is "seven billion, eight hundred forty-four million, one hundred thirty-one thousand, three hundred forty-eight".