29886668892 has 18 divisors (see below), whose sum is σ = 75546857568. Its totient is φ = 9962222952.

The previous prime is 29886668869. The next prime is 29886668897.

29886668892 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 29886668892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29886668897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415092588 + ... + 415092659.

Almost surely, 2^29886668892 is an apocalyptic number.

It is an amenable number.

29886668892 is an abundant number, since it is smaller than the sum of its proper divisors (45660188676).

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

29886668892 is a wasteful number, since it uses less digits than its factorization.

29886668892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830185257 (or 830185252 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 72.

The spelling of 29886668892 in words is "twenty-nine billion, eight hundred eighty-six million, six hundred sixty-eight thousand, eight hundred ninety-two".