687488463959 has 8 divisors (see below), whose sum is σ = 767428983552. Its totient is φ = 610454872440.

The previous prime is 687488463941. The next prime is 687488464007. The reversal of 687488463959 is 959364884786.

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 687488463959 - 2²⁴ = 687471686743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 687488463959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687488463559) 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, 726731519 + ... + 726732464.

It is an arithmetic number, because the mean of its divisors is an integer number (95928622944).

Almost surely, 2^687488463959 is an apocalyptic number.

687488463959 is a deficient number, since it is larger than the sum of its proper divisors (79940519593).

687488463959 is a wasteful number, since it uses less digits than its factorization.

687488463959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453464037.

The product of its digits is 2508226560, while the sum is 77.

The spelling of 687488463959 in words is "six hundred eighty-seven billion, four hundred eighty-eight million, four hundred sixty-three thousand, nine hundred fifty-nine".