3878724896 has 24 divisors (see below), whose sum is σ = 8085431340. Its totient is φ = 1825282048.

The previous prime is 3878724859. The next prime is 3878724901. The reversal of 3878724896 is 6984278783.

It can be written as a sum of positive squares in 2 ways, for example, as 3839537296 + 39187600 = 61964^2 + 6260^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3564461 + ... + 3565548.

Almost surely, 2^3878724896 is an apocalyptic number.

It is an amenable number.

3878724896 is an abundant number, since it is smaller than the sum of its proper divisors (4206706444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3878724896 is a wasteful number, since it uses less digits than its factorization.

3878724896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130036 (or 7130028 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 62.

The square root of 3878724896 is about 62279.4098880200. The cubic root of 3878724896 is about 1571.1934474378.

The spelling of 3878724896 in words is "three billion, eight hundred seventy-eight million, seven hundred twenty-four thousand, eight hundred ninety-six".