855613118 has 4 divisors (see below), whose sum is σ = 1283419680. Its totient is φ = 427806558.

The previous prime is 855613093. The next prime is 855613127. The reversal of 855613118 is 811316558.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213903278 + ... + 213903281.

It is an arithmetic number, because the mean of its divisors is an integer number (320854920).

Almost surely, 2^855613118 is an apocalyptic number.

855613118 is a deficient number, since it is larger than the sum of its proper divisors (427806562).

855613118 is a wasteful number, since it uses less digits than its factorization.

855613118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427806561.

The product of its digits is 28800, while the sum is 38.

The square root of 855613118 is about 29250.8652521596. The cubic root of 855613118 is about 949.3488124644.

The spelling of 855613118 in words is "eight hundred fifty-five million, six hundred thirteen thousand, one hundred eighteen".