128766853 has 8 divisors (see below), whose sum is σ = 129911040. Its totient is φ = 127627440.

The previous prime is 128766809. The next prime is 128766871. The reversal of 128766853 is 358667821.

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 128766853 - 2¹⁷ = 128635781 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 (128766893) 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, 71083 + ... + 72871.

It is an arithmetic number, because the mean of its divisors is an integer number (16238880).

Almost surely, 2^128766853 is an apocalyptic number.

It is an amenable number.

128766853 is a deficient number, since it is larger than the sum of its proper divisors (1144187).

128766853 is a wasteful number, since it uses less digits than its factorization.

128766853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its digits is 483840, while the sum is 46.

The square root of 128766853 is about 11347.5483255195. The cubic root of 128766853 is about 504.9728482608.

The spelling of 128766853 in words is "one hundred twenty-eight million, seven hundred sixty-six thousand, eight hundred fifty-three".