3938877123 has 16 divisors (see below), whose sum is σ = 5271941376. Its totient is φ = 2615886560.

The previous prime is 3938877119. The next prime is 3938877127. The reversal of 3938877123 is 3217788393.

It is an interprime number because it is at equal distance from previous prime (3938877119) and next prime (3938877127).

It is a cyclic number.

It is not a de Polignac number, because 3938877123 - 2² = 3938877119 is a prime.

It is a super-3 number, since 3×3938877123³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3938877127) 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 15 ways as a sum of consecutive naturals, for example, 950965 + ... + 955097.

It is an arithmetic number, because the mean of its divisors is an integer number (329496336).

Almost surely, 2^3938877123 is an apocalyptic number.

3938877123 is a deficient number, since it is larger than the sum of its proper divisors (1333064253).

3938877123 is a wasteful number, since it uses less digits than its factorization.

3938877123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274.

The product of its digits is 1524096, while the sum is 51.

The square root of 3938877123 is about 62760.4742094895. The cubic root of 3938877123 is about 1579.2739711643.

The spelling of 3938877123 in words is "three billion, nine hundred thirty-eight million, eight hundred seventy-seven thousand, one hundred twenty-three".