687336675 has 12 divisors (see below), whose sum is σ = 1136396760. Its totient is φ = 366579520.

The previous prime is 687336667. The next prime is 687336691. The reversal of 687336675 is 576633786.

It is a happy number.

It is not a de Polignac number, because 687336675 - 2³ = 687336667 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4582170 + ... + 4582319.

It is an arithmetic number, because the mean of its divisors is an integer number (94699730).

Almost surely, 2^687336675 is an apocalyptic number.

687336675 is a deficient number, since it is larger than the sum of its proper divisors (449060085).

687336675 is a wasteful number, since it uses less digits than its factorization.

687336675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164502 (or 9164497 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 51.

The square root of 687336675 is about 26217.1065337119. The cubic root of 687336675 is about 882.5171880973.

The spelling of 687336675 in words is "six hundred eighty-seven million, three hundred thirty-six thousand, six hundred seventy-five".