855396288 has 140 divisors (see below), whose sum is σ = 2554241272. Its totient is φ = 283046400.

The previous prime is 855396247. The next prime is 855396301. The reversal of 855396288 is 882693558.

855396288 is a `hidden beast` number, since 8 + 5 + 5 + 3 + 9 + 628 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 813363 + ... + 814413.

Almost surely, 2^855396288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855396288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277120636).

855396288 is an abundant number, since it is smaller than the sum of its proper divisors (1698844984).

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

855396288 is a wasteful number, since it uses less digits than its factorization.

855396288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1213 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 855396288 is about 29247.1586312243. The cubic root of 855396288 is about 949.2686108367.

The spelling of 855396288 in words is "eight hundred fifty-five million, three hundred ninety-six thousand, two hundred eighty-eight".