689496884875 has 16 divisors (see below), whose sum is σ = 860541237504. Its totient is φ = 551566017600.

The previous prime is 689496884807. The next prime is 689496884899. The reversal of 689496884875 is 578488694986.

It is a de Polignac number, because none of the positive numbers 2^k-689496884875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2178982 + ... + 2475268.

It is an arithmetic number, because the mean of its divisors is an integer number (53783827344).

Almost surely, 2^689496884875 is an apocalyptic number.

689496884875 is a deficient number, since it is larger than the sum of its proper divisors (171044352629).

689496884875 is a wasteful number, since it uses less digits than its factorization.

689496884875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314919 (or 314909 counting only the distinct ones).

The product of its digits is 6688604160, while the sum is 82.

The spelling of 689496884875 in words is "six hundred eighty-nine billion, four hundred ninety-six million, eight hundred eighty-four thousand, eight hundred seventy-five".