3885920885 has 16 divisors (see below), whose sum is σ = 5813741952. Its totient is φ = 2422392000.

The previous prime is 3885920867. The next prime is 3885920921. The reversal of 3885920885 is 5880295883.

It is not a de Polignac number, because 3885920885 - 2⁶ = 3885920821 is a prime.

It is a super-2 number, since 2×3885920885² = 30200762248958366450, which contains 22 as substring.

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 3885920885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5046266 + ... + 5047035.

It is an arithmetic number, because the mean of its divisors is an integer number (363358872).

Almost surely, 2^3885920885 is an apocalyptic number.

3885920885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3885920885 is a deficient number, since it is larger than the sum of its proper divisors (1927821067).

3885920885 is a wasteful number, since it uses less digits than its factorization.

3885920885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10093324.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The square root of 3885920885 is about 62337.1549318703. The cubic root of 3885920885 is about 1572.1644973130.

The spelling of 3885920885 in words is "three billion, eight hundred eighty-five million, nine hundred twenty thousand, eight hundred eighty-five".