3885252816 has 80 divisors (see below), whose sum is σ = 10515580928. Its totient is φ = 1234569600.

The previous prime is 3885252799. The next prime is 3885252823. The reversal of 3885252816 is 6182525883.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80211 + ... + 119181.

Almost surely, 2^3885252816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3885252816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5257790464).

3885252816 is an abundant number, since it is smaller than the sum of its proper divisors (6630328112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3885252816 is a wasteful number, since it uses less digits than its factorization.

3885252816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39080 (or 39074 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The square root of 3885252816 is about 62331.7961878205. The cubic root of 3885252816 is about 1572.0743964428.

The spelling of 3885252816 in words is "three billion, eight hundred eighty-five million, two hundred fifty-two thousand, eight hundred sixteen".