4784671820 has 12 divisors (see below), whose sum is σ = 10047810864. Its totient is φ = 1913868720.

The previous prime is 4784671817. The next prime is 4784671841. The reversal of 4784671820 is 281764874.

It is a super-2 number, since 2×4784671820² = 45786168850204224800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119616776 + ... + 119616815.

It is an arithmetic number, because the mean of its divisors is an integer number (837317572).

Almost surely, 2^4784671820 is an apocalyptic number.

It is an amenable number.

4784671820 is an abundant number, since it is smaller than the sum of its proper divisors (5263139044).

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

4784671820 is a wasteful number, since it uses less digits than its factorization.

4784671820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239233600 (or 239233598 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

The square root of 4784671820 is about 69171.3222368924. The cubic root of 4784671820 is about 1685.0678203558.

The spelling of 4784671820 in words is "four billion, seven hundred eighty-four million, six hundred seventy-one thousand, eight hundred twenty".