698667768 has 192 divisors, whose sum is σ = 2152332000. Its totient is φ = 211631616.

The previous prime is 698667763. The next prime is 698667769. The reversal of 698667768 is 867766896.

698667768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698667763) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24091978 + ... + 24092006.

Almost surely, 2^698667768 is an apocalyptic number.

698667768 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698667768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076166000).

698667768 is an abundant number, since it is smaller than the sum of its proper divisors (1453664232).

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

698667768 is an equidigital number, since it uses as much as digits as its factorization.

698667768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 51 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The square root of 698667768 is about 26432.3243018846. The cubic root of 698667768 is about 887.3403611035.

The spelling of 698667768 in words is "six hundred ninety-eight million, six hundred sixty-seven thousand, seven hundred sixty-eight".