698889859398 has 24 divisors (see below), whose sum is σ = 1580098813488. Its totient is φ = 222834447792.

The previous prime is 698889859391. The next prime is 698889859433. The reversal of 698889859398 is 893958988896.

698889859398 is a `hidden beast` number, since 6 + 9 + 8 + 8 + 8 + 9 + 8 + 593 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698889859391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844069465 + ... + 844070292.

It is an arithmetic number, because the mean of its divisors is an integer number (65837450562).

Almost surely, 2^698889859398 is an apocalyptic number.

698889859398 is an abundant number, since it is smaller than the sum of its proper divisors (881208954090).

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

698889859398 is a wasteful number, since it uses less digits than its factorization.

698889859398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688139788 (or 1688139785 counting only the distinct ones).

The product of its digits is 19349176320, while the sum is 90.

The spelling of 698889859398 in words is "six hundred ninety-eight billion, eight hundred eighty-nine million, eight hundred fifty-nine thousand, three hundred ninety-eight".