899767998 has 48 divisors (see below), whose sum is σ = 2017665936. Its totient is φ = 289560960.

The previous prime is 899767927. The next prime is 899768003.

899767998 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82090 + ... + 92402.

It is an arithmetic number, because the mean of its divisors is an integer number (42034707).

Almost surely, 2^899767998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899767998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008832968).

899767998 is an abundant number, since it is smaller than the sum of its proper divisors (1117897938).

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

899767998 is a wasteful number, since it uses less digits than its factorization.

899767998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489 (or 10486 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 72.

The square root of 899767998 is about 29996.1330507784. The cubic root of 899767998 is about 965.4064161915.

The spelling of 899767998 in words is "eight hundred ninety-nine million, seven hundred sixty-seven thousand, nine hundred ninety-eight".