32016679889 has 4 divisors (see below), whose sum is σ = 32045039460. Its totient is φ = 31988320320.

The previous prime is 32016679861. The next prime is 32016679907. The reversal of 32016679889 is 98897661023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7440787600 + 24575892289 = 86260^2 + 156767^2 .

It is a cyclic number.

It is not a de Polignac number, because 32016679889 - 2¹² = 32016675793 is a prime.

It is a super-2 number, since 2×32016679889² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32016679859) 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, 14178092 + ... + 14180349.

It is an arithmetic number, because the mean of its divisors is an integer number (8011259865).

Almost surely, 2^32016679889 is an apocalyptic number.

It is an amenable number.

32016679889 is a deficient number, since it is larger than the sum of its proper divisors (28359571).

32016679889 is a wasteful number, since it uses less digits than its factorization.

32016679889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28359570.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 32016679889 in words is "thirty-two billion, sixteen million, six hundred seventy-nine thousand, eight hundred eighty-nine".