853551085 has 8 divisors (see below), whose sum is σ = 1028042496. Its totient is φ = 680320080.

The previous prime is 853551077. The next prime is 853551089. The reversal of 853551085 is 580155358.

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

It is not a de Polignac number, because 853551085 - 2³ = 853551077 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 (853551089) 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, 313609 + ... + 316318.

It is an arithmetic number, because the mean of its divisors is an integer number (128505312).

Almost surely, 2^853551085 is an apocalyptic number.

It is an amenable number.

853551085 is a deficient number, since it is larger than the sum of its proper divisors (174491411).

853551085 is a wasteful number, since it uses less digits than its factorization.

853551085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630203.

The product of its (nonzero) digits is 120000, while the sum is 40.

The square root of 853551085 is about 29215.5966052381. The cubic root of 853551085 is about 948.5855534447.

The spelling of 853551085 in words is "eight hundred fifty-three million, five hundred fifty-one thousand, eighty-five".