855343558 has 16 divisors (see below), whose sum is σ = 1383485040. Its totient is φ = 395280000.

The previous prime is 855343543. The next prime is 855343579.

It is a happy number.

855343558 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×855343558² = 1463225204424198728, which contains 22 as substring.

It is a congruent number.

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, 272943 + ... + 276058.

It is an arithmetic number, because the mean of its divisors is an integer number (86467815).

Almost surely, 2^855343558 is an apocalyptic number.

855343558 is a deficient number, since it is larger than the sum of its proper divisors (528141482).

855343558 is a wasteful number, since it uses less digits than its factorization.

855343558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549063.

The product of its digits is 1440000, while the sum is 46.

The square root of 855343558 is about 29246.2571622421. The cubic root of 855343558 is about 949.2491048825.

The spelling of 855343558 in words is "eight hundred fifty-five million, three hundred forty-three thousand, five hundred fifty-eight".