3879869547 has 4 divisors (see below), whose sum is σ = 5173159400. Its totient is φ = 2586579696.

The previous prime is 3879869527. The next prime is 3879869549. The reversal of 3879869547 is 7459689783.

3879869547 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3879869547 - 2¹¹ = 3879867499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3879869549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646644922 + ... + 646644927.

It is an arithmetic number, because the mean of its divisors is an integer number (1293289850).

Almost surely, 2^3879869547 is an apocalyptic number.

3879869547 is a deficient number, since it is larger than the sum of its proper divisors (1293289853).

3879869547 is a wasteful number, since it uses less digits than its factorization.

3879869547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293289852.

The product of its digits is 91445760, while the sum is 66.

The square root of 3879869547 is about 62288.5988524385. The cubic root of 3879869547 is about 1571.3479906027.

It can be divided in two parts, 38798 and 69547, that added together give a triangular number (108345 = T₄₆₅).

The spelling of 3879869547 in words is "three billion, eight hundred seventy-nine million, eight hundred sixty-nine thousand, five hundred forty-seven".