8378442704 has 10 divisors (see below), whose sum is σ = 16233232770. Its totient is φ = 4189221344.

The previous prime is 8378442679. The next prime is 8378442739. The reversal of 8378442704 is 4072448738.

It can be written as a sum of positive squares in only one way, i.e., 8353960000 + 24482704 = 91400^2 + 4948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261826319 + ... + 261826350.

It is an arithmetic number, because the mean of its divisors is an integer number (1623323277).

Almost surely, 2^8378442704 is an apocalyptic number.

It is an amenable number.

8378442704 is a deficient number, since it is larger than the sum of its proper divisors (7854790066).

8378442704 is a wasteful number, since it uses less digits than its factorization.

8378442704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523652677 (or 523652671 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 47.

The square root of 8378442704 is about 91533.8336572876. The cubic root of 8378442704 is about 2031.0522749467.

The spelling of 8378442704 in words is "eight billion, three hundred seventy-eight million, four hundred forty-two thousand, seven hundred four".