86661283 has 2 divisors, whose sum is σ = 86661284. Its totient is φ = 86661282.

The previous prime is 86661271. The next prime is 86661301. The reversal of 86661283 is 38216668.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86661283 is a prime.

It is not a weakly prime, because it can be changed into another prime (86661233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43330641 + 43330642.

It is an arithmetic number, because the mean of its divisors is an integer number (43330642).

Almost surely, 2^86661283 is an apocalyptic number.

86661283 is a deficient number, since it is larger than the sum of its proper divisors (1).

86661283 is an equidigital number, since it uses as much as digits as its factorization.

86661283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 86661283 is about 9309.2042087388. The cubic root of 86661283 is about 442.5289678547.

The spelling of 86661283 in words is "eighty-six million, six hundred sixty-one thousand, two hundred eighty-three".