4479678847 has 8 divisors (see below), whose sum is σ = 5121514656. Its totient is φ = 3838313472.

The previous prime is 4479678829. The next prime is 4479678913. The reversal of 4479678847 is 7488769744.

It is a happy number.

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

It is not a de Polignac number, because 4479678847 - 2⁷ = 4479678719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4479678947) 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, 96958 + ... + 135499.

It is an arithmetic number, because the mean of its divisors is an integer number (640189332).

Almost surely, 2^4479678847 is an apocalyptic number.

4479678847 is a deficient number, since it is larger than the sum of its proper divisors (641835809).

4479678847 is a wasteful number, since it uses less digits than its factorization.

4479678847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235217.

The product of its digits is 75866112, while the sum is 64.

The square root of 4479678847 is about 66930.4030093948. The cubic root of 4479678847 is about 1648.4747272221.

It can be divided in two parts, 4 and 479678847, that added together give a triangular number (479678851 = T₃₀₉₇₃).

The spelling of 4479678847 in words is "four billion, four hundred seventy-nine million, six hundred seventy-eight thousand, eight hundred forty-seven".