687080452 has 24 divisors (see below), whose sum is σ = 1216220096. Its totient is φ = 339601248.

The previous prime is 687080389. The next prime is 687080461. The reversal of 687080452 is 254080786.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310783 + ... + 312985.

Almost surely, 2^687080452 is an apocalyptic number.

It is an amenable number.

687080452 is a deficient number, since it is larger than the sum of its proper divisors (529139644).

687080452 is a wasteful number, since it uses less digits than its factorization.

687080452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 687080452 is about 26212.2195168589. The cubic root of 687080452 is about 882.4075138949.

The spelling of 687080452 in words is "six hundred eighty-seven million, eighty thousand, four hundred fifty-two".