3887308445 has 6 divisors (see below), whose sum is σ = 4664937438. Its totient is φ = 3109735224.

The previous prime is 3887308421. The next prime is 3887308459. The reversal of 3887308445 is 5448037883.

It can be written as a sum of positive squares in only one way, i.e., 3109846756 + 777461689 = 55766^2 + 27883^2 .

It is not a de Polignac number, because 3887308445 - 2³⁰ = 2813566621 is a prime.

It is a super-2 number, since 2×3887308445² = 30222333893136636050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3887308393 and 3887308402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125474 + ... + 153356.

It is an arithmetic number, because the mean of its divisors is an integer number (777489573).

Almost surely, 2^3887308445 is an apocalyptic number.

It is an amenable number.

3887308445 is a deficient number, since it is larger than the sum of its proper divisors (777628993).

3887308445 is an frugal number, since it uses more digits than its factorization.

3887308445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55771 (or 27888 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The square root of 3887308445 is about 62348.2834166266. The cubic root of 3887308445 is about 1572.3516012228.

The spelling of 3887308445 in words is "three billion, eight hundred eighty-seven million, three hundred eight thousand, four hundred forty-five".