30898871808 has 160 divisors (see below), whose sum is σ = 94207137024. Its totient is φ = 8815951872.

The previous prime is 30898871777. The next prime is 30898871813. The reversal of 30898871808 is 80817889803.

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 15 ways as a sum of consecutive naturals, for example, 10073091 + ... + 10076157.

Almost surely, 2^30898871808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30898871808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47103568512).

30898871808 is an abundant number, since it is smaller than the sum of its proper divisors (63308265216).

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

30898871808 is an equidigital number, since it uses as much as digits as its factorization.

30898871808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032 (or 4016 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 60.

The spelling of 30898871808 in words is "thirty billion, eight hundred ninety-eight million, eight hundred seventy-one thousand, eight hundred eight".