3937748768 has 18 divisors (see below), whose sum is σ = 7753141809. Its totient is φ = 1968696896.

The previous prime is 3937748767. The next prime is 3937748809. The reversal of 3937748768 is 8678477393.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 3437242384 + 500506384 = 58628^2 + 22372^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44372.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3937748768.

It is not an unprimeable number, because it can be changed into a prime (3937748767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 349430 + ... + 360522.

Almost surely, 2^3937748768 is an apocalyptic number.

It is an amenable number.

3937748768 is a deficient number, since it is larger than the sum of its proper divisors (3815393041).

3937748768 is an frugal number, since it uses more digits than its factorization.

3937748768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22196 (or 11095 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 62.

The square root of 3937748768 is about 62751.4841896190. The cubic root of 3937748768 is about 1579.1231539126.

The spelling of 3937748768 in words is "three billion, nine hundred thirty-seven million, seven hundred forty-eight thousand, seven hundred sixty-eight".