3887216672 has 12 divisors (see below), whose sum is σ = 7652957886. Its totient is φ = 1943608320.

The previous prime is 3887216629. The next prime is 3887216693. The reversal of 3887216672 is 2766127883.

It can be written as a sum of positive squares in only one way, i.e., 2556718096 + 1330498576 = 50564^2 + 36476^2 .

It is a super-2 number, since 2×3887216672² = 30220906910149511168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3887216672.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60737729 + ... + 60737792.

Almost surely, 2^3887216672 is an apocalyptic number.

3887216672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3887216672 is a deficient number, since it is larger than the sum of its proper divisors (3765741214).

3887216672 is a wasteful number, since it uses less digits than its factorization.

3887216672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121475531 (or 121475523 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 3887216672 is about 62347.5474417398. The cubic root of 3887216672 is about 1572.3392275748.

The spelling of 3887216672 in words is "three billion, eight hundred eighty-seven million, two hundred sixteen thousand, six hundred seventy-two".