32872751997 has 8 divisors (see below), whose sum is σ = 44447664960. Its totient is φ = 21606503520.

The previous prime is 32872751969. The next prime is 32872752007. The reversal of 32872751997 is 79915727823.

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

It is not a de Polignac number, because 32872751997 - 2¹⁹ = 32872227709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32872751997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32872751957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77165872 + ... + 77166297.

It is an arithmetic number, because the mean of its divisors is an integer number (5555958120).

Almost surely, 2^32872751997 is an apocalyptic number.

It is an amenable number.

32872751997 is a deficient number, since it is larger than the sum of its proper divisors (11574912963).

32872751997 is a wasteful number, since it uses less digits than its factorization.

32872751997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154332243.

The product of its digits is 13335840, while the sum is 60.

The spelling of 32872751997 in words is "thirty-two billion, eight hundred seventy-two million, seven hundred fifty-one thousand, nine hundred ninety-seven".