29853867228 has 24 divisors (see below), whose sum is σ = 69664092288. Its totient is φ = 9950564976.

The previous prime is 29853867227. The next prime is 29853867247. The reversal of 29853867228 is 82276835892.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29853867227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96775 + ... + 262817.

It is an arithmetic number, because the mean of its divisors is an integer number (2902670512).

Almost surely, 2^29853867228 is an apocalyptic number.

It is an amenable number.

29853867228 is an abundant number, since it is smaller than the sum of its proper divisors (39810225060).

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

29853867228 is a wasteful number, since it uses less digits than its factorization.

29853867228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181033 (or 181031 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 29853867228 in words is "twenty-nine billion, eight hundred fifty-three million, eight hundred sixty-seven thousand, two hundred twenty-eight".