4647799728 has 540 divisors, whose sum is σ = 16586532144. Its totient is φ = 1206374400.

The previous prime is 4647799699. The next prime is 4647799759. The reversal of 4647799728 is 8279977464.

4647799728 is a `hidden beast` number, since 4 + 6 + 477 + 99 + 72 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 65461933 + ... + 65462003.

Almost surely, 2^4647799728 is an apocalyptic number.

4647799728 is a gapful number since it is divisible by the number (48) 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 4647799728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8293266072).

4647799728 is an abundant number, since it is smaller than the sum of its proper divisors (11938732416).

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

4647799728 is a wasteful number, since it uses less digits than its factorization.

4647799728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 117 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The square root of 4647799728 is about 68174.7733989633. The cubic root of 4647799728 is about 1668.8442321572.

It can be divided in two parts, 46 and 47799728, that added together give a palindrome (47799774).

The spelling of 4647799728 in words is "four billion, six hundred forty-seven million, seven hundred ninety-nine thousand, seven hundred twenty-eight".