687054323 has 8 divisors (see below), whose sum is σ = 691142400. Its totient is φ = 682976448.

The previous prime is 687054299. The next prime is 687054349. The reversal of 687054323 is 323450786.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-687054323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (687054373) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 163118 + ... + 167276.

It is an arithmetic number, because the mean of its divisors is an integer number (86392800).

Almost surely, 2^687054323 is an apocalyptic number.

687054323 is a deficient number, since it is larger than the sum of its proper divisors (4088077).

687054323 is a wasteful number, since it uses less digits than its factorization.

687054323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 687054323 is about 26211.7210995387. The cubic root of 687054323 is about 882.3963280538.

The spelling of 687054323 in words is "six hundred eighty-seven million, fifty-four thousand, three hundred twenty-three".