3783761380 has 72 divisors (see below), whose sum is σ = 9300287808. Its totient is φ = 1289276352.

The previous prime is 3783761357. The next prime is 3783761437. The reversal of 3783761380 is 831673873.

It is a self number, because there is not a number n which added to its sum of digits gives 3783761380.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147897 + ... + 171583.

It is an arithmetic number, because the mean of its divisors is an integer number (129170664).

Almost surely, 2^3783761380 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 3783761380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4650143904).

3783761380 is an abundant number, since it is smaller than the sum of its proper divisors (5516526428).

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

3783761380 is a wasteful number, since it uses less digits than its factorization.

3783761380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23873 (or 23864 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 3783761380 is about 61512.2864149919. The cubic root of 3783761380 is about 1558.2647508939.

It can be divided in two parts, 378376 and 1380, that added together give a triangular number (379756 = T₈₇₁).

The spelling of 3783761380 in words is "three billion, seven hundred eighty-three million, seven hundred sixty-one thousand, three hundred eighty".