899498880 has 288 divisors, whose sum is σ = 3614331240. Its totient is φ = 205535232.

The previous prime is 899498879. The next prime is 899498921. The reversal of 899498880 is 88894998.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 280647 + ... + 283833.

Almost surely, 2^899498880 is an apocalyptic number.

899498880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899498880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807165620).

899498880 is an abundant number, since it is smaller than the sum of its proper divisors (2714832360).

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

899498880 is a wasteful number, since it uses less digits than its factorization.

899498880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The square root of 899498880 is about 29991.6468370778. The cubic root of 899498880 is about 965.3101565070.

The spelling of 899498880 in words is "eight hundred ninety-nine million, four hundred ninety-eight thousand, eight hundred eighty".