4728778553 has 2 divisors, whose sum is σ = 4728778554. Its totient is φ = 4728778552.

The previous prime is 4728778543. The next prime is 4728778589. The reversal of 4728778553 is 3558778274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4004738089 + 724040464 = 63283^2 + 26908^2 .

It is a cyclic number.

It is not a de Polignac number, because 4728778553 - 2¹⁸ = 4728516409 is a prime.

It is a super-2 number, since 2×4728778553² = 44722693206625547618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4728778543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2364389276 + 2364389277.

It is an arithmetic number, because the mean of its divisors is an integer number (2364389277).

Almost surely, 2^4728778553 is an apocalyptic number.

It is an amenable number.

4728778553 is a deficient number, since it is larger than the sum of its proper divisors (1).

4728778553 is an equidigital number, since it uses as much as digits as its factorization.

4728778553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13171200, while the sum is 56.

The square root of 4728778553 is about 68766.1148604456. The cubic root of 4728778553 is about 1678.4805982208.

The spelling of 4728778553 in words is "four billion, seven hundred twenty-eight million, seven hundred seventy-eight thousand, five hundred fifty-three".