687584384113 has 24 divisors (see below), whose sum is σ = 775475644320. Its totient is φ = 604595678400.

The previous prime is 687584384111. The next prime is 687584384141. The reversal of 687584384113 is 311483485786.

It is not a de Polignac number, because 687584384113 - 2¹ = 687584384111 is a prime.

It is a super-3 number, since 3×687584384113³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (687584384111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21411373 + ... + 21443461.

It is an arithmetic number, because the mean of its divisors is an integer number (32311485180).

Almost surely, 2^687584384113 is an apocalyptic number.

It is an amenable number.

687584384113 is a deficient number, since it is larger than the sum of its proper divisors (87891260207).

687584384113 is a wasteful number, since it uses less digits than its factorization.

687584384113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34189 (or 34158 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The spelling of 687584384113 in words is "six hundred eighty-seven billion, five hundred eighty-four million, three hundred eighty-four thousand, one hundred thirteen".