28829858880 has 112 divisors (see below), whose sum is σ = 92478758400. Its totient is φ = 7608680448.

The previous prime is 28829858873. The next prime is 28829858881. The reversal of 28829858880 is 8885892882.

It is not an unprimeable number, because it can be changed into a prime (28829858881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61680 + ... + 247919.

It is an arithmetic number, because the mean of its divisors is an integer number (825703200).

Almost surely, 2^28829858880 is an apocalyptic number.

28829858880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28829858880 is an abundant number, since it is smaller than the sum of its proper divisors (63648899520).

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

28829858880 is a wasteful number, since it uses less digits than its factorization.

28829858880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309716 (or 309706 counting only the distinct ones).

The product of its (nonzero) digits is 47185920, while the sum is 66.

The spelling of 28829858880 in words is "twenty-eight billion, eight hundred twenty-nine million, eight hundred fifty-eight thousand, eight hundred eighty".