855734258 has 4 divisors (see below), whose sum is σ = 1283601390. Its totient is φ = 427867128.

The previous prime is 855734249. The next prime is 855734263. The reversal of 855734258 is 852437558.

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

It can be written as a sum of positive squares in only one way, i.e., 837697249 + 18037009 = 28943^2 + 4247^2 .

It is a super-2 number, since 2×855734258² = 1464562240629621128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213933563 + ... + 213933566.

Almost surely, 2^855734258 is an apocalyptic number.

855734258 is a deficient number, since it is larger than the sum of its proper divisors (427867132).

855734258 is a wasteful number, since it uses less digits than its factorization.

855734258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427867131.

The product of its digits is 1344000, while the sum is 47.

The square root of 855734258 is about 29252.9358868473. The cubic root of 855734258 is about 949.3936141337.

The spelling of 855734258 in words is "eight hundred fifty-five million, seven hundred thirty-four thousand, two hundred fifty-eight".