29875088889 has 24 divisors (see below), whose sum is σ = 43951563552. Its totient is φ = 19550704320.

The previous prime is 29875088857. The next prime is 29875088909. The reversal of 29875088889 is 98888057892.

It is not a de Polignac number, because 29875088889 - 2⁵ = 29875088857 is a prime.

It is a super-2 number, since 2×29875088889² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29875088819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30874 + ... + 246380.

It is an arithmetic number, because the mean of its divisors is an integer number (1831315148).

Almost surely, 2^29875088889 is an apocalyptic number.

It is an amenable number.

29875088889 is a deficient number, since it is larger than the sum of its proper divisors (14076474663).

29875088889 is a wasteful number, since it uses less digits than its factorization.

29875088889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215797 (or 215794 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 72.

The spelling of 29875088889 in words is "twenty-nine billion, eight hundred seventy-five million, eighty-eight thousand, eight hundred eighty-nine".