687080457654 has 8 divisors (see below), whose sum is σ = 1374160915320. Its totient is φ = 229026819216.

The previous prime is 687080457629. The next prime is 687080457697. The reversal of 687080457654 is 456754080786.

It is a sphenic number, since it is the product of 3 distinct primes.

687080457654 is an admirable number.

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, 57256704799 + ... + 57256704810.

It is an arithmetic number, because the mean of its divisors is an integer number (171770114415).

Almost surely, 2^687080457654 is an apocalyptic number.

687080457654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

687080457654 is a wasteful number, since it uses less digits than its factorization.

687080457654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114513409614.

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 687080457654 in words is "six hundred eighty-seven billion, eighty million, four hundred fifty-seven thousand, six hundred fifty-four".