689772696 has 16 divisors (see below), whose sum is σ = 1724431800. Its totient is φ = 229924224.

The previous prime is 689772641. The next prime is 689772697. The reversal of 689772696 is 696277986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689772697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14370241 + ... + 14370288.

Almost surely, 2^689772696 is an apocalyptic number.

It is an amenable number.

689772696 is an abundant number, since it is smaller than the sum of its proper divisors (1034659104).

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

689772696 is a wasteful number, since it uses less digits than its factorization.

689772696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28740538 (or 28740534 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 689772696 is about 26263.5240590443. The cubic root of 689772696 is about 883.5585485153.

The spelling of 689772696 in words is "six hundred eighty-nine million, seven hundred seventy-two thousand, six hundred ninety-six".