32128080509779 has 4 divisors (see below), whose sum is σ = 32128111834576. Its totient is φ = 32128049184984.

The previous prime is 32128080509747. The next prime is 32128080509827. The reversal of 32128080509779 is 97790508082123.

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

It is a cyclic number.

It is not a de Polignac number, because 32128080509779 - 2⁵ = 32128080509747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32128080509729) 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, 14069964 + ... + 16193209.

It is an arithmetic number, because the mean of its divisors is an integer number (8032027958644).

Almost surely, 2^{32128080509779} is an apocalyptic number.

32128080509779 is a deficient number, since it is larger than the sum of its proper divisors (31324797).

32128080509779 is a wasteful number, since it uses less digits than its factorization.

32128080509779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31324796.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 32128080509779 in words is "thirty-two trillion, one hundred twenty-eight billion, eighty million, five hundred nine thousand, seven hundred seventy-nine".