8885546861 has 2 divisors, whose sum is σ = 8885546862. Its totient is φ = 8885546860.

The previous prime is 8885546807. The next prime is 8885546863. The reversal of 8885546861 is 1686455888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8853680836 + 31866025 = 94094^2 + 5645^2 .

It is a cyclic number.

It is not a de Polignac number, because 8885546861 - 2³⁰ = 7811805037 is a prime.

Together with 8885546863, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8885546861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8885546863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4442773430 + 4442773431.

It is an arithmetic number, because the mean of its divisors is an integer number (4442773431).

Almost surely, 2^8885546861 is an apocalyptic number.

It is an amenable number.

8885546861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8885546861 is an equidigital number, since it uses as much as digits as its factorization.

8885546861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14745600, while the sum is 59.

The square root of 8885546861 is about 94263.1787125811. The cubic root of 8885546861 is about 2071.2286933174.

The spelling of 8885546861 in words is "eight billion, eight hundred eighty-five million, five hundred forty-six thousand, eight hundred sixty-one".