8812747747109 has 2 divisors, whose sum is σ = 8812747747110. Its totient is φ = 8812747747108.

The previous prime is 8812747747081. The next prime is 8812747747147. The reversal of 8812747747109 is 9017477472188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7954571548225 + 858176198884 = 2820385^2 + 926378^2 .

It is a cyclic number.

It is not a de Polignac number, because 8812747747109 - 2²⁴ = 8812730969893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8812747747159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406373873554 + 4406373873555.

It is an arithmetic number, because the mean of its divisors is an integer number (4406373873555).

Almost surely, 2^{8812747747109} is an apocalyptic number.

It is an amenable number.

8812747747109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8812747747109 is an equidigital number, since it uses as much as digits as its factorization.

8812747747109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44255232, while the sum is 65.

The spelling of 8812747747109 in words is "eight trillion, eight hundred twelve billion, seven hundred forty-seven million, seven hundred forty-seven thousand, one hundred nine".