32686341577 has 2 divisors, whose sum is σ = 32686341578. Its totient is φ = 32686341576.

The previous prime is 32686341559. The next prime is 32686341587. The reversal of 32686341577 is 77514368623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29044339776 + 3642001801 = 170424^2 + 60349^2 .

It is an emirp because it is prime and its reverse (77514368623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32686341577 - 2⁷ = 32686341449 is a prime.

It is not a weakly prime, because it can be changed into another prime (32686341517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16343170788 + 16343170789.

It is an arithmetic number, because the mean of its divisors is an integer number (16343170789).

Almost surely, 2^32686341577 is an apocalyptic number.

It is an amenable number.

32686341577 is a deficient number, since it is larger than the sum of its proper divisors (1).

32686341577 is an equidigital number, since it uses as much as digits as its factorization.

32686341577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 52.

The spelling of 32686341577 in words is "thirty-two billion, six hundred eighty-six million, three hundred forty-one thousand, five hundred seventy-seven".