4787239648 has 12 divisors (see below), whose sum is σ = 9424878120. Its totient is φ = 2393619808.

The previous prime is 4787239637. The next prime is 4787239651. The reversal of 4787239648 is 8469327874.

It is a junction number, because it is equal to n+sod(n) for n = 4787239592 and 4787239601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74800588 + ... + 74800651.

It is an arithmetic number, because the mean of its divisors is an integer number (785406510).

Almost surely, 2^4787239648 is an apocalyptic number.

It is an amenable number.

4787239648 is a deficient number, since it is larger than the sum of its proper divisors (4637638472).

4787239648 is a wasteful number, since it uses less digits than its factorization.

4787239648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149601249 (or 149601241 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 58.

The square root of 4787239648 is about 69189.8811098848. The cubic root of 4787239648 is about 1685.3692127091.

The spelling of 4787239648 in words is "four billion, seven hundred eighty-seven million, two hundred thirty-nine thousand, six hundred forty-eight".