3885610755780 has 432 divisors, whose sum is σ = 13192197520320. Its totient is φ = 924806937600.

The previous prime is 3885610755739. The next prime is 3885610755799. The reversal of 3885610755780 is 875570165883.

3885610755780 is a `hidden beast` number, since 3 + 8 + 8 + 5 + 610 + 7 + 5 + 5 + 7 + 8 + 0 = 666.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 109463835 + ... + 109499325.

It is an arithmetic number, because the mean of its divisors is an integer number (30537494260).

Almost surely, 2^{3885610755780} is an apocalyptic number.

3885610755780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3885610755780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6596098760160).

3885610755780 is an abundant number, since it is smaller than the sum of its proper divisors (9306586764540).

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

3885610755780 is a wasteful number, since it uses less digits than its factorization.

3885610755780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35652 (or 35634 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 63.

The spelling of 3885610755780 in words is "three trillion, eight hundred eighty-five billion, six hundred ten million, seven hundred fifty-five thousand, seven hundred eighty".