86223703777 has 2 divisors, whose sum is σ = 86223703778. Its totient is φ = 86223703776.

The previous prime is 86223703729. The next prime is 86223703789. The reversal of 86223703777 is 77730732268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81188524096 + 5035179681 = 284936^2 + 70959^2 .

It is a cyclic number.

It is not a de Polignac number, because 86223703777 - 2³⁵ = 51863965409 is a prime.

It is not a weakly prime, because it can be changed into another prime (86223700777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43111851888 + 43111851889.

It is an arithmetic number, because the mean of its divisors is an integer number (43111851889).

Almost surely, 2^86223703777 is an apocalyptic number.

It is an amenable number.

86223703777 is a deficient number, since it is larger than the sum of its proper divisors (1).

86223703777 is an equidigital number, since it uses as much as digits as its factorization.

86223703777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4148928, while the sum is 52.

The spelling of 86223703777 in words is "eighty-six billion, two hundred twenty-three million, seven hundred three thousand, seven hundred seventy-seven".