3871552428 has 144 divisors (see below), whose sum is σ = 10426171392. Its totient is φ = 1209312000.

The previous prime is 3871552411. The next prime is 3871552439. The reversal of 3871552428 is 8242551783.

3871552428 is a `hidden beast` number, since 3 + 8 + 71 + 552 + 4 + 28 = 666.

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 47 ways as a sum of consecutive naturals, for example, 8739175 + ... + 8739617.

It is an arithmetic number, because the mean of its divisors is an integer number (72403968).

Almost surely, 2^3871552428 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 3871552428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5213085696).

3871552428 is an abundant number, since it is smaller than the sum of its proper divisors (6554618964).

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

3871552428 is a wasteful number, since it uses less digits than its factorization.

3871552428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 711 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 3871552428 is about 62221.8002632518. The cubic root of 3871552428 is about 1570.2243756834.

The spelling of 3871552428 in words is "three billion, eight hundred seventy-one million, five hundred fifty-two thousand, four hundred twenty-eight".