698297877216 has 144 divisors (see below), whose sum is σ = 2004497061840. Its totient is φ = 230574919680.

The previous prime is 698297877197. The next prime is 698297877227. The reversal of 698297877216 is 612778792896.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 69346230 + ... + 69356298.

It is an arithmetic number, because the mean of its divisors is an integer number (13920118485).

Almost surely, 2^698297877216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698297877216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002248530920).

698297877216 is an abundant number, since it is smaller than the sum of its proper divisors (1306199184624).

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

698297877216 is a wasteful number, since it uses less digits than its factorization.

698297877216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329 (or 12318 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 72.

The spelling of 698297877216 in words is "six hundred ninety-eight billion, two hundred ninety-seven million, eight hundred seventy-seven thousand, two hundred sixteen".