855318486 has 64 divisors (see below), whose sum is σ = 1900765440. Its totient is φ = 254423040.

The previous prime is 855318481. The next prime is 855318487. The reversal of 855318486 is 684813558.

It is a super-3 number, since 3×855318486³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855318481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056850 + ... + 1057658.

It is an arithmetic number, because the mean of its divisors is an integer number (29699460).

Almost surely, 2^855318486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855318486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950382720).

855318486 is an abundant number, since it is smaller than the sum of its proper divisors (1045446954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855318486 is a wasteful number, since it uses less digits than its factorization.

855318486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101.

The product of its digits is 921600, while the sum is 48.

The square root of 855318486 is about 29245.8285230561. The cubic root of 855318486 is about 949.2398299326.

The spelling of 855318486 in words is "eight hundred fifty-five million, three hundred eighteen thousand, four hundred eighty-six".