32678978872 has 8 divisors (see below), whose sum is σ = 61273085400. Its totient is φ = 16339489432.

The previous prime is 32678978867. The next prime is 32678978873. The reversal of 32678978872 is 27887987623.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 32678978798 and 32678978807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32678978873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2042436172 + ... + 2042436187.

It is an arithmetic number, because the mean of its divisors is an integer number (7659135675).

Almost surely, 2^32678978872 is an apocalyptic number.

It is an amenable number.

32678978872 is a deficient number, since it is larger than the sum of its proper divisors (28594106528).

32678978872 is a wasteful number, since it uses less digits than its factorization.

32678978872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084872365 (or 4084872361 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 67.

The spelling of 32678978872 in words is "thirty-two billion, six hundred seventy-eight million, nine hundred seventy-eight thousand, eight hundred seventy-two".