3872786580 has 240 divisors, whose sum is σ = 13148150400. Its totient is φ = 948609792.

The previous prime is 3872786579. The next prime is 3872786611. The reversal of 3872786580 is 856872783.

3872786580 is a `hidden beast` number, since 38 + 7 + 27 + 8 + 6 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6465121 + ... + 6465719.

It is an arithmetic number, because the mean of its divisors is an integer number (54783960).

Almost surely, 2^3872786580 is an apocalyptic number.

3872786580 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 3872786580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6574075200).

3872786580 is an abundant number, since it is smaller than the sum of its proper divisors (9275363820).

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

3872786580 is a wasteful number, since it uses less digits than its factorization.

3872786580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 3872786580 is about 62231.7168331390. The cubic root of 3872786580 is about 1570.3912070953.

The spelling of 3872786580 in words is "three billion, eight hundred seventy-two million, seven hundred eighty-six thousand, five hundred eighty".