687335354676 has 96 divisors (see below), whose sum is σ = 1827638440320. Its totient is φ = 223266129408.

The previous prime is 687335354561. The next prime is 687335354707. The reversal of 687335354676 is 676453533786.

687335354676 is a `hidden beast` number, since 6 + 8 + 7 + 33 + 53 + 546 + 7 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1839946 + ... + 2181758.

It is an arithmetic number, because the mean of its divisors is an integer number (19037900420).

Almost surely, 2^687335354676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 687335354676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913819220160).

687335354676 is an abundant number, since it is smaller than the sum of its proper divisors (1140303085644).

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

687335354676 is a wasteful number, since it uses less digits than its factorization.

687335354676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342302 (or 342294 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 63.

The spelling of 687335354676 in words is "six hundred eighty-seven billion, three hundred thirty-five million, three hundred fifty-four thousand, six hundred seventy-six".