29028871885 has 32 divisors (see below), whose sum is σ = 38690104320. Its totient is φ = 20769654528.

The previous prime is 29028871871. The next prime is 29028871909. The reversal of 29028871885 is 58817882092.

It is a cyclic number.

It is not a de Polignac number, because 29028871885 - 2⁵ = 29028871853 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 549544 + ... + 600046.

It is an arithmetic number, because the mean of its divisors is an integer number (1209065760).

Almost surely, 2^29028871885 is an apocalyptic number.

It is an amenable number.

29028871885 is a deficient number, since it is larger than the sum of its proper divisors (9661232435).

29028871885 is a wasteful number, since it uses less digits than its factorization.

29028871885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50797.

The product of its (nonzero) digits is 5160960, while the sum is 58.

The spelling of 29028871885 in words is "twenty-nine billion, twenty-eight million, eight hundred seventy-one thousand, eight hundred eighty-five".