498789987894 has 96 divisors (see below), whose sum is σ = 1246477714560. Its totient is φ = 142562246400.

The previous prime is 498789987889. The next prime is 498789987907.

498789987894 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 47 ways as a sum of consecutive naturals, for example, 561934 + ... + 1146014.

It is an arithmetic number, because the mean of its divisors is an integer number (12984142860).

Almost surely, 2^498789987894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498789987894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623238857280).

498789987894 is an abundant number, since it is smaller than the sum of its proper divisors (747687726666).

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

498789987894 is a wasteful number, since it uses less digits than its factorization.

498789987894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584346 (or 584343 counting only the distinct ones).

The product of its digits is 21069103104, while the sum is 90.

The spelling of 498789987894 in words is "four hundred ninety-eight billion, seven hundred eighty-nine million, nine hundred eighty-seven thousand, eight hundred ninety-four".