855373329 has 12 divisors (see below), whose sum is σ = 1264273296. Its totient is φ = 556987032.

The previous prime is 855373319. The next prime is 855373333. The reversal of 855373329 is 923373558.

855373329 is a `hidden beast` number, since 8 + 553 + 73 + 3 + 29 = 666.

It is not a de Polignac number, because 855373329 - 2¹¹ = 855371281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855373319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104747 + ... + 1105520.

It is an arithmetic number, because the mean of its divisors is an integer number (105356108).

Almost surely, 2^855373329 is an apocalyptic number.

It is an amenable number.

855373329 is a deficient number, since it is larger than the sum of its proper divisors (408899967).

855373329 is a wasteful number, since it uses less digits than its factorization.

855373329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210316 (or 2210313 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 855373329 is about 29246.7661289244. The cubic root of 855373329 is about 949.2601179104.

The spelling of 855373329 in words is "eight hundred fifty-five million, three hundred seventy-three thousand, three hundred twenty-nine".