32978247136 has 24 divisors (see below), whose sum is σ = 67748791824. Its totient is φ = 15772204800.

The previous prime is 32978247121. The next prime is 32978247209. The reversal of 32978247136 is 63174287923.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22402965 + ... + 22404436.

It is an arithmetic number, because the mean of its divisors is an integer number (2822866326).

Almost surely, 2^32978247136 is an apocalyptic number.

It is an amenable number.

32978247136 is an abundant number, since it is smaller than the sum of its proper divisors (34770544688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32978247136 is a wasteful number, since it uses less digits than its factorization.

32978247136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44807434 (or 44807426 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The spelling of 32978247136 in words is "thirty-two billion, nine hundred seventy-eight million, two hundred forty-seven thousand, one hundred thirty-six".