855354842 has 16 divisors (see below), whose sum is σ = 1295574912. Its totient is φ = 423512160.

The previous prime is 855354809. The next prime is 855354859. The reversal of 855354842 is 248453558.

It is a junction number, because it is equal to n+sod(n) for n = 855354793 and 855354802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114473 + ... + 121715.

It is an arithmetic number, because the mean of its divisors is an integer number (80973432).

Almost surely, 2^855354842 is an apocalyptic number.

855354842 is a deficient number, since it is larger than the sum of its proper divisors (440220070).

855354842 is a wasteful number, since it uses less digits than its factorization.

855354842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813.

The product of its digits is 768000, while the sum is 44.

The square root of 855354842 is about 29246.4500751801. The cubic root of 855354842 is about 949.2532791428.

The spelling of 855354842 in words is "eight hundred fifty-five million, three hundred fifty-four thousand, eight hundred forty-two".