3887916265 has 8 divisors (see below), whose sum is σ = 4666467528. Its totient is φ = 3109687680.

The previous prime is 3887916259. The next prime is 3887916299. The reversal of 3887916265 is 5626197883.

It can be written as a sum of positive squares in 4 ways, for example, as 285035689 + 3602880576 = 16883^2 + 60024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3887916265 - 2²⁹ = 3351045353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53316 + ... + 103045.

It is an arithmetic number, because the mean of its divisors is an integer number (583308441).

Almost surely, 2^3887916265 is an apocalyptic number.

It is an amenable number.

3887916265 is a deficient number, since it is larger than the sum of its proper divisors (778551263).

3887916265 is a wasteful number, since it uses less digits than its factorization.

3887916265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161339.

The product of its digits is 4354560, while the sum is 55.

The square root of 3887916265 is about 62353.1576185200. The cubic root of 3887916265 is about 1572.4335479782.

The spelling of 3887916265 in words is "three billion, eight hundred eighty-seven million, nine hundred sixteen thousand, two hundred sixty-five".