687503500375 has 16 divisors (see below), whose sum is σ = 908475216480. Its totient is φ = 517649692800.

The previous prime is 687503500319. The next prime is 687503500399. The reversal of 687503500375 is 573005305786.

It is a happy number.

It is not a de Polignac number, because 687503500375 - 2⁹ = 687503499863 is a prime.

It is a super-2 number, since 2×687503500375² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161763405 + ... + 161767654.

It is an arithmetic number, because the mean of its divisors is an integer number (56779701030).

Almost surely, 2^687503500375 is an apocalyptic number.

687503500375 is a deficient number, since it is larger than the sum of its proper divisors (220971716105).

687503500375 is a wasteful number, since it uses less digits than its factorization.

687503500375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323531091 (or 323531081 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 687503500375 in words is "six hundred eighty-seven billion, five hundred three million, five hundred thousand, three hundred seventy-five".