32147213387 has 4 divisors (see below), whose sum is σ = 32478628056. Its totient is φ = 31815798720.

The previous prime is 32147213353. The next prime is 32147213393. The reversal of 32147213387 is 78331274123.

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 32147213387 - 2²⁰ = 32146164811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32147210387) 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, 165707189 + ... + 165707382.

It is an arithmetic number, because the mean of its divisors is an integer number (8119657014).

Almost surely, 2^32147213387 is an apocalyptic number.

32147213387 is a deficient number, since it is larger than the sum of its proper divisors (331414669).

32147213387 is an equidigital number, since it uses as much as digits as its factorization.

32147213387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331414668.

The product of its digits is 169344, while the sum is 41.

The spelling of 32147213387 in words is "thirty-two billion, one hundred forty-seven million, two hundred thirteen thousand, three hundred eighty-seven".