29985679332 has 60 divisors (see below), whose sum is σ = 89586851200. Its totient is φ = 8567336304.

The previous prime is 29985679309. The next prime is 29985679333. The reversal of 29985679332 is 23397658992.

29985679332 is a `hidden beast` number, since 299 + 8 + 5 + 6 + 7 + 9 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 29985679332.

It is not an unprimeable number, because it can be changed into a prime (29985679333) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6608332 + ... + 6612867.

Almost surely, 2^29985679332 is an apocalyptic number.

It is an amenable number.

29985679332 is an abundant number, since it is smaller than the sum of its proper divisors (59601171868).

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

29985679332 is a wasteful number, since it uses less digits than its factorization.

29985679332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221222 (or 13221211 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 29985679332 in words is "twenty-nine billion, nine hundred eighty-five million, six hundred seventy-nine thousand, three hundred thirty-two".