683687727896 has 32 divisors (see below), whose sum is σ = 1283294702880. Its totient is φ = 341475974400.

The previous prime is 683687727881. The next prime is 683687727911. The reversal of 683687727896 is 698727786386.

It is an interprime number because it is at equal distance from previous prime (683687727881) and next prime (683687727911).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44850836 + ... + 44866076.

It is an arithmetic number, because the mean of its divisors is an integer number (40102959465).

Almost surely, 2^683687727896 is an apocalyptic number.

It is an amenable number.

683687727896 is a deficient number, since it is larger than the sum of its proper divisors (599606974984).

683687727896 is a wasteful number, since it uses less digits than its factorization.

683687727896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915 (or 20911 counting only the distinct ones).

The product of its digits is 2048385024, while the sum is 77.

The spelling of 683687727896 in words is "six hundred eighty-three billion, six hundred eighty-seven million, seven hundred twenty-seven thousand, eight hundred ninety-six".