688853849811 has 8 divisors (see below), whose sum is σ = 931053605520. Its totient is φ = 452944996992.

The previous prime is 688853849807. The next prime is 688853849821. The reversal of 688853849811 is 118948358886.

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

It is not a de Polignac number, because 688853849811 - 2² = 688853849807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (688853849821) 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, 1572725466 + ... + 1572725903.

It is an arithmetic number, because the mean of its divisors is an integer number (116381700690).

Almost surely, 2^688853849811 is an apocalyptic number.

688853849811 is a deficient number, since it is larger than the sum of its proper divisors (242199755709).

688853849811 is a wasteful number, since it uses less digits than its factorization.

688853849811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145451445.

The product of its digits is 106168320, while the sum is 69.

The spelling of 688853849811 in words is "six hundred eighty-eight billion, eight hundred fifty-three million, eight hundred forty-nine thousand, eight hundred eleven".