3827388105 has 20 divisors (see below), whose sum is σ = 6860948292. Its totient is φ = 2041273440.

The previous prime is 3827388067. The next prime is 3827388113. The reversal of 3827388105 is 5018837283.

It can be written as a sum of positive squares in 2 ways, for example, as 2610494649 + 1216893456 = 51093^2 + 34884^2 .

It is not a de Polignac number, because 3827388105 - 2⁸ = 3827387849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4724766 + ... + 4725575.

Almost surely, 2^3827388105 is an apocalyptic number.

It is an amenable number.

3827388105 is a deficient number, since it is larger than the sum of its proper divisors (3033560187).

3827388105 is an equidigital number, since it uses as much as digits as its factorization.

3827388105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450358 (or 9450349 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 3827388105 is about 61865.8880563433. Note that the first 3 decimals coincide. The cubic root of 3827388105 is about 1564.2308046565.

The spelling of 3827388105 in words is "three billion, eight hundred twenty-seven million, three hundred eighty-eight thousand, one hundred five".