32215342987 has 2 divisors, whose sum is σ = 32215342988. Its totient is φ = 32215342986.

The previous prime is 32215342981. The next prime is 32215343021. The reversal of 32215342987 is 78924351223.

It is a weak prime.

It is an emirp because it is prime and its reverse (78924351223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32215342987 - 2¹¹ = 32215340939 is a prime.

It is not a weakly prime, because it can be changed into another prime (32215342981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16107671493 + 16107671494.

It is an arithmetic number, because the mean of its divisors is an integer number (16107671494).

Almost surely, 2^32215342987 is an apocalyptic number.

32215342987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32215342987 is an equidigital number, since it uses as much as digits as its factorization.

32215342987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The spelling of 32215342987 in words is "thirty-two billion, two hundred fifteen million, three hundred forty-two thousand, nine hundred eighty-seven".