32213021987 has 2 divisors, whose sum is σ = 32213021988. Its totient is φ = 32213021986.

The previous prime is 32213021927. The next prime is 32213021989. The reversal of 32213021987 is 78912031223.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32213021987 - 2⁶ = 32213021923 is a prime.

Together with 32213021989, 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 32213021987.

It is not a weakly prime, because it can be changed into another prime (32213021989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106510993 + 16106510994.

It is an arithmetic number, because the mean of its divisors is an integer number (16106510994).

Almost surely, 2^32213021987 is an apocalyptic number.

32213021987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32213021987 is an equidigital number, since it uses as much as digits as its factorization.

32213021987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 32213021987 in words is "thirty-two billion, two hundred thirteen million, twenty-one thousand, nine hundred eighty-seven".