8728163077 has 2 divisors, whose sum is σ = 8728163078. Its totient is φ = 8728163076.

The previous prime is 8728163071. The next prime is 8728163131. The reversal of 8728163077 is 7703618278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8695376001 + 32787076 = 93249^2 + 5726^2 .

It is a cyclic number.

It is not a de Polignac number, because 8728163077 - 2¹⁵ = 8728130309 is a prime.

It is a super-2 number, since 2×8728163077² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8728163077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8728163071) by changing a digit.

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 as a sum of consecutive naturals, namely, 4364081538 + 4364081539.

It is an arithmetic number, because the mean of its divisors is an integer number (4364081539).

Almost surely, 2^8728163077 is an apocalyptic number.

It is an amenable number.

8728163077 is a deficient number, since it is larger than the sum of its proper divisors (1).

8728163077 is an equidigital number, since it uses as much as digits as its factorization.

8728163077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 8728163077 is about 93424.6384900686. The cubic root of 8728163077 is about 2058.9270087613.

The spelling of 8728163077 in words is "eight billion, seven hundred twenty-eight million, one hundred sixty-three thousand, seventy-seven".