3888185880 has 64 divisors (see below), whose sum is σ = 12171720960. Its totient is φ = 991768448.

The previous prime is 3888185849. The next prime is 3888185921. The reversal of 3888185880 is 885818883.

It is a self number, because there is not a number n which added to its sum of digits gives 3888185880.

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, 701622 + ... + 707141.

It is an arithmetic number, because the mean of its divisors is an integer number (190183140).

Almost surely, 2^3888185880 is an apocalyptic number.

3888185880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3888185880 is an abundant number, since it is smaller than the sum of its proper divisors (8283535080).

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

3888185880 is a wasteful number, since it uses less digits than its factorization.

3888185880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408800 (or 1408796 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 57.

The square root of 3888185880 is about 62355.3195806100. The cubic root of 3888185880 is about 1572.4698949434.

The spelling of 3888185880 in words is "three billion, eight hundred eighty-eight million, one hundred eighty-five thousand, eight hundred eighty".