3938887475 has 12 divisors (see below), whose sum is σ = 4891789584. Its totient is φ = 3146226720.

The previous prime is 3938887453. The next prime is 3938887481. The reversal of 3938887475 is 5747888393.

It is not a de Polignac number, because 3938887475 - 2¹² = 3938883379 is a prime.

It is a super-3 number, since 3×3938887475³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105584 + ... + 137933.

It is an arithmetic number, because the mean of its divisors is an integer number (407649132).

Almost surely, 2^3938887475 is an apocalyptic number.

3938887475 is a deficient number, since it is larger than the sum of its proper divisors (952902109).

3938887475 is a wasteful number, since it uses less digits than its factorization.

3938887475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244174 (or 244169 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 62.

The square root of 3938887475 is about 62760.5566817249. The cubic root of 3938887475 is about 1579.2753546915.

The spelling of 3938887475 in words is "three billion, nine hundred thirty-eight million, eight hundred eighty-seven thousand, four hundred seventy-five".