693696688 has 60 divisors (see below), whose sum is σ = 1446917560. Its totient is φ = 321290496.

The previous prime is 693696677. The next prime is 693696739. The reversal of 693696688 is 886696396.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671020 + ... + 672052.

Almost surely, 2^693696688 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 693696688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723458780).

693696688 is an abundant number, since it is smaller than the sum of its proper divisors (753220872).

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

693696688 is a wasteful number, since it uses less digits than its factorization.

693696688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1101 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 61.

The square root of 693696688 is about 26338.1223324671. The cubic root of 693696688 is about 885.2308495850.

The spelling of 693696688 in words is "six hundred ninety-three million, six hundred ninety-six thousand, six hundred eighty-eight".