8773861 has 2 divisors, whose sum is σ = 8773862. Its totient is φ = 8773860.

The previous prime is 8773859. The next prime is 8773871. The reversal of 8773861 is 1683778.

8773861 = 2094² + 2095².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 4384836 = 2095^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 8773861 - 2¹ = 8773859 is a prime.

Together with 8773859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8773871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4386930 + 4386931.

It is an arithmetic number, because the mean of its divisors is an integer number (4386931).

Almost surely, 2^8773861 is an apocalyptic number.

8773861 is the 2095-th centered square number.

It is an amenable number.

8773861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8773861 is an equidigital number, since it uses as much as digits as its factorization.

8773861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 8773861 is about 2962.0703907909. The cubic root of 8773861 is about 206.2514054388.

The spelling of 8773861 in words is "eight million, seven hundred seventy-three thousand, eight hundred sixty-one".