3879072513 has 6 divisors (see below), whose sum is σ = 5603104754. Its totient is φ = 2586048336.

The previous prime is 3879072511. The next prime is 3879072517. The reversal of 3879072513 is 3152709783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3078918144 + 800154369 = 55488^2 + 28287^2 .

It is not a de Polignac number, because 3879072513 - 2¹ = 3879072511 is a prime.

It is a super-2 number, since 2×3879072513² = 30094407122224270338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3879072511) 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 5 ways as a sum of consecutive naturals, for example, 215504020 + ... + 215504037.

Almost surely, 2^3879072513 is an apocalyptic number.

It is an amenable number.

3879072513 is a deficient number, since it is larger than the sum of its proper divisors (1724032241).

3879072513 is a wasteful number, since it uses less digits than its factorization.

3879072513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431008063 (or 431008060 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 3879072513 is about 62282.2006114106. The cubic root of 3879072513 is about 1571.2403835875.

The spelling of 3879072513 in words is "three billion, eight hundred seventy-nine million, seventy-two thousand, five hundred thirteen".