985646855 has 8 divisors (see below), whose sum is σ = 1183459200. Its totient is φ = 788062176.

The previous prime is 985646797. The next prime is 985646933. The reversal of 985646855 is 558646589.

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 985646855 - 2¹⁸ = 985384711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985646855.

It is a congruent number.

It is an unprimeable number.

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, 47240 + ... + 64829.

It is an arithmetic number, because the mean of its divisors is an integer number (147932400).

Almost surely, 2^985646855 is an apocalyptic number.

985646855 is a deficient number, since it is larger than the sum of its proper divisors (197812345).

985646855 is a wasteful number, since it uses less digits than its factorization.

985646855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113833.

The product of its digits is 10368000, while the sum is 56.

The square root of 985646855 is about 31395.0132186626. The cubic root of 985646855 is about 995.1925437336.

The spelling of 985646855 in words is "nine hundred eighty-five million, six hundred forty-six thousand, eight hundred fifty-five".