9118919077 has 2 divisors, whose sum is σ = 9118919078. Its totient is φ = 9118919076.

The previous prime is 9118919057. The next prime is 9118919129. The reversal of 9118919077 is 7709198119.

It is an a-pointer prime, because the next prime (9118919129) can be obtained adding 9118919077 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6758319681 + 2360599396 = 82209^2 + 48586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9118919077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9118919057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4559459538 + 4559459539.

It is an arithmetic number, because the mean of its divisors is an integer number (4559459539).

Almost surely, 2^9118919077 is an apocalyptic number.

It is an amenable number.

9118919077 is a deficient number, since it is larger than the sum of its proper divisors (1).

9118919077 is an equidigital number, since it uses as much as digits as its factorization.

9118919077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 52.

The square root of 9118919077 is about 95493.0315625177. The cubic root of 9118919077 is about 2089.2053080115.

The spelling of 9118919077 in words is "nine billion, one hundred eighteen million, nine hundred nineteen thousand, seventy-seven".