3878904455 has 8 divisors (see below), whose sum is σ = 4655068704. Its totient is φ = 3102868000.

The previous prime is 3878904439. The next prime is 3878904457. The reversal of 3878904455 is 5544098783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3878904455 - 2⁴ = 3878904439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3878904397 and 3878904406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878904457) 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 7 ways as a sum of consecutive naturals, for example, 57710 + ... + 105300.

It is an arithmetic number, because the mean of its divisors is an integer number (581883588).

Almost surely, 2^3878904455 is an apocalyptic number.

3878904455 is a deficient number, since it is larger than the sum of its proper divisors (776164249).

3878904455 is a wasteful number, since it uses less digits than its factorization.

3878904455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63897.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The square root of 3878904455 is about 62280.8514312385. The cubic root of 3878904455 is about 1571.2176923102.

The spelling of 3878904455 in words is "three billion, eight hundred seventy-eight million, nine hundred four thousand, four hundred fifty-five".