898784487898 has 8 divisors (see below), whose sum is σ = 1470738252960. Its totient is φ = 408538403580.

The previous prime is 898784487871. The next prime is 898784487983.

898784487898 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20426920158 + ... + 20426920201.

It is an arithmetic number, because the mean of its divisors is an integer number (183842281620).

Almost surely, 2^898784487898 is an apocalyptic number.

898784487898 is a deficient number, since it is larger than the sum of its proper divisors (571953765062).

898784487898 is a wasteful number, since it uses less digits than its factorization.

898784487898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40853840372.

The product of its digits is 16647192576, while the sum is 88.

The spelling of 898784487898 in words is "eight hundred ninety-eight billion, seven hundred eighty-four million, four hundred eighty-seven thousand, eight hundred ninety-eight".