4878155746 has 8 divisors (see below), whose sum is σ = 7747659180. Its totient is φ = 2295602688.

The previous prime is 4878155719. The next prime is 4878155783. The reversal of 4878155746 is 6475518784.

It can be written as a sum of positive squares in 2 ways, for example, as 4720377025 + 157778721 = 68705^2 + 12561^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71737551 + ... + 71737618.

Almost surely, 2^4878155746 is an apocalyptic number.

4878155746 is a deficient number, since it is larger than the sum of its proper divisors (2869503434).

4878155746 is a wasteful number, since it uses less digits than its factorization.

4878155746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143475188.

The product of its digits is 7526400, while the sum is 55.

The square root of 4878155746 is about 69843.7953292918. The cubic root of 4878155746 is about 1695.9715161590.

The spelling of 4878155746 in words is "four billion, eight hundred seventy-eight million, one hundred fifty-five thousand, seven hundred forty-six".