687854604 has 12 divisors (see below), whose sum is σ = 1604994104. Its totient is φ = 229284864.

The previous prime is 687854599. The next prime is 687854641. The reversal of 687854604 is 406458786.

It is a tau number, because it is divible by the number of its divisors (12).

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, 28660597 + ... + 28660620.

Almost surely, 2^687854604 is an apocalyptic number.

It is an amenable number.

687854604 is an abundant number, since it is smaller than the sum of its proper divisors (917139500).

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

687854604 is a wasteful number, since it uses less digits than its factorization.

687854604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57321224 (or 57321222 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 687854604 is about 26226.9823654953. The cubic root of 687854604 is about 882.7388002520.

The spelling of 687854604 in words is "six hundred eighty-seven million, eight hundred fifty-four thousand, six hundred four".