32143272997 has 8 divisors (see below), whose sum is σ = 35727000480. Its totient is φ = 28669814160.

The previous prime is 32143272991. The next prime is 32143273013. The reversal of 32143272997 is 79927234123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32143272997 - 2³ = 32143272989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32143272997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32143272991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27566547 + ... + 27567712.

It is an arithmetic number, because the mean of its divisors is an integer number (4465875060).

Almost surely, 2^32143272997 is an apocalyptic number.

It is an amenable number.

32143272997 is a deficient number, since it is larger than the sum of its proper divisors (3583727483).

32143272997 is a wasteful number, since it uses less digits than its factorization.

32143272997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55134323.

The product of its digits is 1143072, while the sum is 49.

The spelling of 32143272997 in words is "thirty-two billion, one hundred forty-three million, two hundred seventy-two thousand, nine hundred ninety-seven".