29889898892 has 24 divisors (see below), whose sum is σ = 59799651744. Its totient is φ = 12805702272.

The previous prime is 29889898867. The next prime is 29889898937.

29889898892 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90713 + ... + 260784.

It is an arithmetic number, because the mean of its divisors is an integer number (2491652156).

Almost surely, 2^29889898892 is an apocalyptic number.

It is an amenable number.

29889898892 is an abundant number, since it is smaller than the sum of its proper divisors (29909752852).

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

29889898892 is a wasteful number, since it uses less digits than its factorization.

29889898892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354545 (or 354543 counting only the distinct ones).

The product of its digits is 859963392, while the sum is 80.

The spelling of 29889898892 in words is "twenty-nine billion, eight hundred eighty-nine million, eight hundred ninety-eight thousand, eight hundred ninety-two".