687282213052 has 12 divisors (see below), whose sum is σ = 1202790316000. Its totient is φ = 343627837056.

The previous prime is 687282213043. The next prime is 687282213089. The reversal of 687282213052 is 250312282786.

It is a junction number, because it is equal to n+sod(n) for n = 687282212993 and 687282213011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200373 + ... + 3408364.

Almost surely, 2^687282213052 is an apocalyptic number.

It is an amenable number.

687282213052 is a deficient number, since it is larger than the sum of its proper divisors (515508102948).

687282213052 is a wasteful number, since it uses less digits than its factorization.

687282213052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634740 (or 6634738 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 687282213052 in words is "six hundred eighty-seven billion, two hundred eighty-two million, two hundred thirteen thousand, fifty-two".