687970713603 has 16 divisors (see below), whose sum is σ = 938654347136. Its totient is φ = 447967739520.

The previous prime is 687970713593. The next prime is 687970713637. The reversal of 687970713603 is 306317079786.

It is a happy number.

It is not a de Polignac number, because 687970713603 - 2⁹ = 687970713091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (687970713403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6355176 + ... + 6462522.

It is an arithmetic number, because the mean of its divisors is an integer number (58665896696).

Almost surely, 2^687970713603 is an apocalyptic number.

687970713603 is a deficient number, since it is larger than the sum of its proper divisors (250683633533).

687970713603 is a wasteful number, since it uses less digits than its factorization.

687970713603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157074.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 687970713603 in words is "six hundred eighty-seven billion, nine hundred seventy million, seven hundred thirteen thousand, six hundred three".