29944782772 has 12 divisors (see below), whose sum is σ = 52461152800. Its totient is φ = 14955881976.

The previous prime is 29944782767. The next prime is 29944782779. The reversal of 29944782772 is 27728744992.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 29944782772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29944782779) 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, 4123272 + ... + 4130527.

Almost surely, 2^29944782772 is an apocalyptic number.

It is an amenable number.

29944782772 is a deficient number, since it is larger than the sum of its proper divisors (22516370028).

29944782772 is a wasteful number, since it uses less digits than its factorization.

29944782772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254710 (or 8254708 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 61.

The spelling of 29944782772 in words is "twenty-nine billion, nine hundred forty-four million, seven hundred eighty-two thousand, seven hundred seventy-two".