687825066932 has 12 divisors (see below), whose sum is σ = 1203699702240. Its totient is φ = 343910866296.

The previous prime is 687825066923. The next prime is 687825066937. The reversal of 687825066932 is 239660528786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687825066937) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1269983 + ... + 1728729.

It is an arithmetic number, because the mean of its divisors is an integer number (100308308520).

Almost surely, 2^687825066932 is an apocalyptic number.

It is an amenable number.

687825066932 is a deficient number, since it is larger than the sum of its proper divisors (515874635308).

687825066932 is a wasteful number, since it uses less digits than its factorization.

687825066932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833590 (or 833588 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 687825066932 in words is "six hundred eighty-seven billion, eight hundred twenty-five million, sixty-six thousand, nine hundred thirty-two".