8812873561 has 2 divisors, whose sum is σ = 8812873562. Its totient is φ = 8812873560.

The previous prime is 8812873523. The next prime is 8812873579. The reversal of 8812873561 is 1653782188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4800411225 + 4012462336 = 69285^2 + 63344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8812873561 is a prime.

It is not a weakly prime, because it can be changed into another prime (8812873061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406436780 + 4406436781.

It is an arithmetic number, because the mean of its divisors is an integer number (4406436781).

Almost surely, 2^8812873561 is an apocalyptic number.

It is an amenable number.

8812873561 is a deficient number, since it is larger than the sum of its proper divisors (1).

8812873561 is an equidigital number, since it uses as much as digits as its factorization.

8812873561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 49.

The square root of 8812873561 is about 93876.9064307085. The cubic root of 8812873561 is about 2065.5664919777.

The spelling of 8812873561 in words is "eight billion, eight hundred twelve million, eight hundred seventy-three thousand, five hundred sixty-one".