8728722253 has 2 divisors, whose sum is σ = 8728722254. Its totient is φ = 8728722252.

The previous prime is 8728722229. The next prime is 8728722271. The reversal of 8728722253 is 3522278278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5146340644 + 3582381609 = 71738^2 + 59853^2 .

It is a cyclic number.

It is not a de Polignac number, because 8728722253 - 2²¹ = 8726625101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8728722283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4364361126 + 4364361127.

It is an arithmetic number, because the mean of its divisors is an integer number (4364361127).

Almost surely, 2^8728722253 is an apocalyptic number.

It is an amenable number.

8728722253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8728722253 is an equidigital number, since it uses as much as digits as its factorization.

8728722253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 46.

The square root of 8728722253 is about 93427.6311002264. The cubic root of 8728722253 is about 2058.9709766987.

The spelling of 8728722253 in words is "eight billion, seven hundred twenty-eight million, seven hundred twenty-two thousand, two hundred fifty-three".