32686868657 has 4 divisors (see below), whose sum is σ = 33240883440. Its totient is φ = 32132853876.

The previous prime is 32686868647. The next prime is 32686868693. The reversal of 32686868657 is 75686868623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32686868657 - 2³² = 28391901361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32686868593 and 32686868602.

It is not an unprimeable number, because it can be changed into a prime (32686868647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277007303 + ... + 277007420.

It is an arithmetic number, because the mean of its divisors is an integer number (8310220860).

Almost surely, 2^32686868657 is an apocalyptic number.

It is an amenable number.

32686868657 is a deficient number, since it is larger than the sum of its proper divisors (554014783).

32686868657 is an equidigital number, since it uses as much as digits as its factorization.

32686868657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554014782.

The product of its digits is 139345920, while the sum is 65.

The spelling of 32686868657 in words is "thirty-two billion, six hundred eighty-six million, eight hundred sixty-eight thousand, six hundred fifty-seven".