4728778589 has 2 divisors, whose sum is σ = 4728778590. Its totient is φ = 4728778588.

The previous prime is 4728778553. The next prime is 4728778601. The reversal of 4728778589 is 9858778274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4645512964 + 83265625 = 68158^2 + 9125^2 .

It is a cyclic number.

It is not a de Polignac number, because 4728778589 - 2⁸ = 4728778333 is a prime.

It is a super-2 number, since 2×4728778589² = 44722693887569661842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4728778519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2364389294 + 2364389295.

It is an arithmetic number, because the mean of its divisors is an integer number (2364389295).

Almost surely, 2^4728778589 is an apocalyptic number.

It is an amenable number.

4728778589 is a deficient number, since it is larger than the sum of its proper divisors (1).

4728778589 is an equidigital number, since it uses as much as digits as its factorization.

4728778589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63221760, while the sum is 65.

The square root of 4728778589 is about 68766.1151222024. The cubic root of 4728778589 is about 1678.4806024802.

The spelling of 4728778589 in words is "four billion, seven hundred twenty-eight million, seven hundred seventy-eight thousand, five hundred eighty-nine".