687130543 has 8 divisors (see below), whose sum is σ = 782188416. Its totient is φ = 597504600.

The previous prime is 687130541. The next prime is 687130547. The reversal of 687130543 is 345031786.

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

It is not a de Polignac number, because 687130543 - 2¹ = 687130541 is a prime.

It is a super-4 number, since 4×687130543⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687130541) 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, 1357713 + ... + 1358218.

It is an arithmetic number, because the mean of its divisors is an integer number (97773552).

Almost surely, 2^687130543 is an apocalyptic number.

687130543 is a deficient number, since it is larger than the sum of its proper divisors (95057873).

687130543 is a wasteful number, since it uses less digits than its factorization.

687130543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715965.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 687130543 is about 26213.1749889249. The cubic root of 687130543 is about 882.4289570901.

The spelling of 687130543 in words is "six hundred eighty-seven million, one hundred thirty thousand, five hundred forty-three".