3878754015 has 16 divisors (see below), whose sum is σ = 6231763296. Its totient is φ = 2060083200.

The previous prime is 3878754013. The next prime is 3878754059. The reversal of 3878754015 is 5104578783.

It is a happy number.

It is not a de Polignac number, because 3878754015 - 2¹ = 3878754013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878754013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532866 + ... + 540095.

It is an arithmetic number, because the mean of its divisors is an integer number (389485206).

Almost surely, 2^3878754015 is an apocalyptic number.

3878754015 is a deficient number, since it is larger than the sum of its proper divisors (2353009281).

3878754015 is a wasteful number, since it uses less digits than its factorization.

3878754015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073210.

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 3878754015 is about 62279.6436646839. The cubic root of 3878754015 is about 1571.1973792684.

The spelling of 3878754015 in words is "three billion, eight hundred seventy-eight million, seven hundred fifty-four thousand, fifteen".