7894382548 has 24 divisors (see below), whose sum is σ = 15753045672. Its totient is φ = 3429233664.

The previous prime is 7894382533. The next prime is 7894382549. The reversal of 7894382548 is 8452834987.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 259467664 + 7634914884 = 16108^2 + 87378^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7894382492 and 7894382501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7894382549) 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, 4464265 + ... + 4466032.

It is an arithmetic number, because the mean of its divisors is an integer number (656376903).

Almost surely, 2^7894382548 is an apocalyptic number.

It is an amenable number.

7894382548 is a deficient number, since it is larger than the sum of its proper divisors (7858663124).

7894382548 is a wasteful number, since it uses less digits than its factorization.

7894382548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8930331 (or 8930329 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The square root of 7894382548 is about 88850.3379171965. The cubic root of 7894382548 is about 1991.1595262552.

The spelling of 7894382548 in words is "seven billion, eight hundred ninety-four million, three hundred eighty-two thousand, five hundred forty-eight".