698325888 has 128 divisors (see below), whose sum is σ = 2032329600. Its totient is φ = 211138560.

The previous prime is 698325877. The next prime is 698325893. The reversal of 698325888 is 888523896.

698325888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293343 + ... + 295713.

It is an arithmetic number, because the mean of its divisors is an integer number (15877575).

Almost surely, 2^698325888 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 698325888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016164800).

698325888 is an abundant number, since it is smaller than the sum of its proper divisors (1334003712).

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

698325888 is a wasteful number, since it uses less digits than its factorization.

698325888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2448 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The square root of 698325888 is about 26425.8564288842. The cubic root of 698325888 is about 887.1956030216.

The spelling of 698325888 in words is "six hundred ninety-eight million, three hundred twenty-five thousand, eight hundred eighty-eight".