687503394143 has 8 divisors (see below), whose sum is σ = 688042890000. Its totient is φ = 686964009088.

The previous prime is 687503394107. The next prime is 687503394157. The reversal of 687503394143 is 341493305786.

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

It is a cyclic number.

It is not a de Polignac number, because 687503394143 - 2⁶ = 687503394079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687503394943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15851255 + ... + 15894567.

It is an arithmetic number, because the mean of its divisors is an integer number (86005361250).

Almost surely, 2^687503394143 is an apocalyptic number.

687503394143 is a deficient number, since it is larger than the sum of its proper divisors (539495857).

687503394143 is a wasteful number, since it uses less digits than its factorization.

687503394143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55401.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 687503394143 in words is "six hundred eighty-seven billion, five hundred three million, three hundred ninety-four thousand, one hundred forty-three".