855365258 has 16 divisors (see below), whose sum is σ = 1419405120. Its totient is φ = 383325600.

The previous prime is 855365249. The next prime is 855365279. The reversal of 855365258 is 852563558.

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, 272243 + ... + 275366.

It is an arithmetic number, because the mean of its divisors is an integer number (88712820).

Almost surely, 2^855365258 is an apocalyptic number.

855365258 is a deficient number, since it is larger than the sum of its proper divisors (564039862).

855365258 is a wasteful number, since it uses less digits than its factorization.

855365258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547693.

The product of its digits is 1440000, while the sum is 47.

The square root of 855365258 is about 29246.6281475318. The cubic root of 855365258 is about 949.2571322735.

The spelling of 855365258 in words is "eight hundred fifty-five million, three hundred sixty-five thousand, two hundred fifty-eight".