32871851978851 has 4 divisors (see below), whose sum is σ = 33571253084832. Its totient is φ = 32172450872872.

The previous prime is 32871851978839. The next prime is 32871851978873. The reversal of 32871851978851 is 15887915817823.

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 32871851978851 - 2³¹ = 32869704495203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32871851972851) 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, 349700552920 + ... + 349700553013.

It is an arithmetic number, because the mean of its divisors is an integer number (8392813271208).

Almost surely, 2^{32871851978851} is an apocalyptic number.

32871851978851 is a deficient number, since it is larger than the sum of its proper divisors (699401105981).

32871851978851 is an equidigital number, since it uses as much as digits as its factorization.

32871851978851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699401105980.

The product of its digits is 270950400, while the sum is 73.

The spelling of 32871851978851 in words is "thirty-two trillion, eight hundred seventy-one billion, eight hundred fifty-one million, nine hundred seventy-eight thousand, eight hundred fifty-one".