3879216523 has 16 divisors (see below), whose sum is σ = 4939058880. Its totient is φ = 2963431296.

The previous prime is 3879216479. The next prime is 3879216619. The reversal of 3879216523 is 3256129783.

3879216523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3879216523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3879216023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732340 + ... + 737617.

It is an arithmetic number, because the mean of its divisors is an integer number (308691180).

Almost surely, 2^3879216523 is an apocalyptic number.

3879216523 is a deficient number, since it is larger than the sum of its proper divisors (1059842357).

3879216523 is a wasteful number, since it uses less digits than its factorization.

3879216523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470006.

The product of its digits is 544320, while the sum is 46.

The square root of 3879216523 is about 62283.3567094774. The cubic root of 3879216523 is about 1571.2598273700.

The spelling of 3879216523 in words is "three billion, eight hundred seventy-nine million, two hundred sixteen thousand, five hundred twenty-three".