3938804881607 has 8 divisors (see below), whose sum is σ = 4012251408000. Its totient is φ = 3865581259384.

The previous prime is 3938804881591. The next prime is 3938804881631. The reversal of 3938804881607 is 7061884088393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3938804881607 - 2⁴ = 3938804881591 is a prime.

It is a super-2 number, since 2×3938804881607² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938804881637) 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, 55690373 + ... + 55761054.

It is an arithmetic number, because the mean of its divisors is an integer number (501531426000).

Almost surely, 2^{3938804881607} is an apocalyptic number.

3938804881607 is a deficient number, since it is larger than the sum of its proper divisors (73446526393).

3938804881607 is a wasteful number, since it uses less digits than its factorization.

3938804881607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111452085.

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 3938804881607 in words is "three trillion, nine hundred thirty-eight billion, eight hundred four million, eight hundred eighty-one thousand, six hundred seven".