32128505327 has 4 divisors (see below), whose sum is σ = 32130203160. Its totient is φ = 32126807496.

The previous prime is 32128505291. The next prime is 32128505333. The reversal of 32128505327 is 72350582123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72350582123 = 2297 ⋅31497859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32128505327 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 (32128502327) 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, 820208 + ... + 858485.

It is an arithmetic number, because the mean of its divisors is an integer number (8032550790).

Almost surely, 2^32128505327 is an apocalyptic number.

32128505327 is a deficient number, since it is larger than the sum of its proper divisors (1697833).

32128505327 is a wasteful number, since it uses less digits than its factorization.

32128505327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697832.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 32128505327 in words is "thirty-two billion, one hundred twenty-eight million, five hundred five thousand, three hundred twenty-seven".