32666223287 has 2 divisors, whose sum is σ = 32666223288. Its totient is φ = 32666223286.

The previous prime is 32666223283. The next prime is 32666223319. The reversal of 32666223287 is 78232266623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32666223287 - 2² = 32666223283 is a prime.

It is a super-2 number, since 2×32666223287² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32666223281) 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, 16333111643 + 16333111644.

It is an arithmetic number, because the mean of its divisors is an integer number (16333111644).

Almost surely, 2^32666223287 is an apocalyptic number.

32666223287 is a deficient number, since it is larger than the sum of its proper divisors (1).

32666223287 is an equidigital number, since it uses as much as digits as its factorization.

32666223287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 47.

The spelling of 32666223287 in words is "thirty-two billion, six hundred sixty-six million, two hundred twenty-three thousand, two hundred eighty-seven".