4788156805 has 8 divisors (see below), whose sum is σ = 5777533944. Its totient is φ = 3809361600.

The previous prime is 4788156787. The next prime is 4788156817. The reversal of 4788156805 is 5086518874.

It can be written as a sum of positive squares in 4 ways, for example, as 192265956 + 4595890849 = 13866^2 + 67793^2 .

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

It is not a de Polignac number, because 4788156805 - 2²⁵ = 4754602373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2644486 + ... + 2646295.

It is an arithmetic number, because the mean of its divisors is an integer number (722191743).

Almost surely, 2^4788156805 is an apocalyptic number.

It is an amenable number.

4788156805 is a deficient number, since it is larger than the sum of its proper divisors (989377139).

4788156805 is a wasteful number, since it uses less digits than its factorization.

4788156805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290967.

The product of its (nonzero) digits is 2150400, while the sum is 52.

The square root of 4788156805 is about 69196.5086185712. The cubic root of 4788156805 is about 1685.4768355831.

The spelling of 4788156805 in words is "four billion, seven hundred eighty-eight million, one hundred fifty-six thousand, eight hundred five".