898789898990 has 32 divisors (see below), whose sum is σ = 1636130391840. Its totient is φ = 355448034304.

The previous prime is 898789898989. The next prime is 898789899053. The reversal of 898789898990 is 99898987898.

898789898990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 898789898990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13738337 + ... + 13803603.

It is an arithmetic number, because the mean of its divisors is an integer number (51129074745).

Almost surely, 2^898789898990 is an apocalyptic number.

898789898990 is a deficient number, since it is larger than the sum of its proper divisors (737340492850).

898789898990 is a wasteful number, since it uses less digits than its factorization.

898789898990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80836.

The product of its (nonzero) digits is 13544423424, while the sum is 92.

The spelling of 898789898990 in words is "eight hundred ninety-eight billion, seven hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred ninety".