687916713941 has 8 divisors (see below), whose sum is σ = 724151976480. Its totient is φ = 651684363408.

The previous prime is 687916713937. The next prime is 687916713949. The reversal of 687916713941 is 149317619786.

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

It is a cyclic number.

It is not a de Polignac number, because 687916713941 - 2² = 687916713937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687916713949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234506 + ... + 1196171.

It is an arithmetic number, because the mean of its divisors is an integer number (90518997060).

Almost surely, 2^687916713941 is an apocalyptic number.

It is an amenable number.

687916713941 is a deficient number, since it is larger than the sum of its proper divisors (36235262539).

687916713941 is a wasteful number, since it uses less digits than its factorization.

687916713941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456003.

The product of its digits is 13716864, while the sum is 62.

The spelling of 687916713941 in words is "six hundred eighty-seven billion, nine hundred sixteen million, seven hundred thirteen thousand, nine hundred forty-one".