3878562252 has 12 divisors (see below), whose sum is σ = 9049978616. Its totient is φ = 1292854080.

The previous prime is 3878562251. The next prime is 3878562253. The reversal of 3878562252 is 2522658783.

It is an interprime number because it is at equal distance from previous prime (3878562251) and next prime (3878562253).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3878562251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 161606749 + ... + 161606772.

Almost surely, 2^3878562252 is an apocalyptic number.

It is an amenable number.

3878562252 is an abundant number, since it is smaller than the sum of its proper divisors (5171416364).

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

3878562252 is a wasteful number, since it uses less digits than its factorization.

3878562252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323213528 (or 323213526 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The square root of 3878562252 is about 62278.1041137252. The cubic root of 3878562252 is about 1571.1714858597.

The spelling of 3878562252 in words is "three billion, eight hundred seventy-eight million, five hundred sixty-two thousand, two hundred fifty-two".