3880773820 has 96 divisors (see below), whose sum is σ = 10408559616. Its totient is φ = 1180070400.

The previous prime is 3880773817. The next prime is 3880773829. The reversal of 3880773820 is 283770883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880773829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32409 + ... + 93871.

It is an arithmetic number, because the mean of its divisors is an integer number (108422496).

Almost surely, 2^3880773820 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 3880773820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5204279808).

3880773820 is an abundant number, since it is smaller than the sum of its proper divisors (6527785796).

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

3880773820 is a wasteful number, since it uses less digits than its factorization.

3880773820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61531 (or 61529 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 3880773820 is about 62295.8571656254. The cubic root of 3880773820 is about 1571.4700580389.

The spelling of 3880773820 in words is "three billion, eight hundred eighty million, seven hundred seventy-three thousand, eight hundred twenty".