3803778660 has 96 divisors (see below), whose sum is σ = 11637343872. Its totient is φ = 920657920.

The previous prime is 3803778659. The next prime is 3803778689. The reversal of 3803778660 is 668773083.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442564 + ... + 451076.

It is an arithmetic number, because the mean of its divisors is an integer number (121222332).

Almost surely, 2^3803778660 is an apocalyptic number.

3803778660 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 3803778660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5818671936).

3803778660 is an abundant number, since it is smaller than the sum of its proper divisors (7833565212).

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

3803778660 is a wasteful number, since it uses less digits than its factorization.

3803778660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9213 (or 9211 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 3803778660 is about 61674.7813940187. The cubic root of 3803778660 is about 1561.0078218110.

The spelling of 3803778660 in words is "three billion, eight hundred three million, seven hundred seventy-eight thousand, six hundred sixty".