29868668852 has 24 divisors (see below), whose sum is σ = 57058852032. Its totient is φ = 13567894400.

The previous prime is 29868668833. The next prime is 29868668873. The reversal of 29868668852 is 25886686892.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150224 + ... + 286887.

It is an arithmetic number, because the mean of its divisors is an integer number (2377452168).

Almost surely, 2^29868668852 is an apocalyptic number.

29868668852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29868668852 is a deficient number, since it is larger than the sum of its proper divisors (27190183180).

29868668852 is a wasteful number, since it uses less digits than its factorization.

29868668852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438679 (or 438677 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 68.

The spelling of 29868668852 in words is "twenty-nine billion, eight hundred sixty-eight million, six hundred sixty-eight thousand, eight hundred fifty-two".