4779889920 has 288 divisors, whose sum is σ = 18268454400. Its totient is φ = 1176477696.

The previous prime is 4779889861. The next prime is 4779889967. The reversal of 4779889920 is 299889774.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443961 + ... + 454599.

Almost surely, 2^4779889920 is an apocalyptic number.

4779889920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4779889920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9134227200).

4779889920 is an abundant number, since it is smaller than the sum of its proper divisors (13488564480).

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

4779889920 is a wasteful number, since it uses less digits than its factorization.

4779889920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10682 (or 10662 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The square root of 4779889920 is about 69136.7479709597. The cubic root of 4779889920 is about 1684.5062693591.

The spelling of 4779889920 in words is "four billion, seven hundred seventy-nine million, eight hundred eighty-nine thousand, nine hundred twenty".