698939060688 has 240 divisors, whose sum is σ = 2247167332800. Its totient is φ = 200565227520.

The previous prime is 698939060639. The next prime is 698939060741. The reversal of 698939060688 is 886060939896.

698939060688 is a `hidden beast` number, since 6 + 9 + 8 + 9 + 3 + 9 + 0 + 606 + 8 + 8 = 666.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107048208 + ... + 107054736.

It is an arithmetic number, because the mean of its divisors is an integer number (9363197220).

Almost surely, 2^698939060688 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 698939060688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123583666400).

698939060688 is an abundant number, since it is smaller than the sum of its proper divisors (1548228272112).

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

698939060688 is a wasteful number, since it uses less digits than its factorization.

698939060688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130 (or 10121 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 72.

The spelling of 698939060688 in words is "six hundred ninety-eight billion, nine hundred thirty-nine million, sixty thousand, six hundred eighty-eight".