32772981609 has 12 divisors (see below), whose sum is σ = 48439652976. Its totient is φ = 21340545912.

The previous prime is 32772981587. The next prime is 32772981641. The reversal of 32772981609 is 90618927723.

32772981609 is a `hidden beast` number, since 3 + 2 + 7 + 7 + 29 + 8 + 1 + 609 = 666.

It is not a de Polignac number, because 32772981609 - 2¹⁶ = 32772916073 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (32772981679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42341967 + ... + 42342740.

It is an arithmetic number, because the mean of its divisors is an integer number (4036637748).

Almost surely, 2^32772981609 is an apocalyptic number.

It is an amenable number.

32772981609 is a deficient number, since it is larger than the sum of its proper divisors (15666671367).

32772981609 is a wasteful number, since it uses less digits than its factorization.

32772981609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84684756 (or 84684753 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 32772981609 in words is "thirty-two billion, seven hundred seventy-two million, nine hundred eighty-one thousand, six hundred nine".