32688375197 has 4 divisors (see below), whose sum is σ = 32712289056. Its totient is φ = 32664461340.

The previous prime is 32688375191. The next prime is 32688375229. The reversal of 32688375197 is 79157388623.

It is a happy number.

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 32688375197 - 2⁶ = 32688375133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32688375191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11954879 + ... + 11957612.

It is an arithmetic number, because the mean of its divisors is an integer number (8178072264).

Almost surely, 2^32688375197 is an apocalyptic number.

It is an amenable number.

32688375197 is a deficient number, since it is larger than the sum of its proper divisors (23913859).

32688375197 is a wasteful number, since it uses less digits than its factorization.

32688375197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23913858.

The product of its digits is 15240960, while the sum is 59.

The spelling of 32688375197 in words is "thirty-two billion, six hundred eighty-eight million, three hundred seventy-five thousand, one hundred ninety-seven".