32861987 has 2 divisors, whose sum is σ = 32861988. Its totient is φ = 32861986.

The previous prime is 32861971. The next prime is 32861989. The reversal of 32861987 is 78916823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32861987 - 2⁴ = 32861971 is a prime.

Together with 32861989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32861989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16430993 + 16430994.

It is an arithmetic number, because the mean of its divisors is an integer number (16430994).

Almost surely, 2^32861987 is an apocalyptic number.

32861987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32861987 is an equidigital number, since it uses as much as digits as its factorization.

32861987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 32861987 is about 5732.5375707447. The cubic root of 32861987 is about 320.3056552192.

The spelling of 32861987 in words is "thirty-two million, eight hundred sixty-one thousand, nine hundred eighty-seven".