856026258 has 8 divisors (see below), whose sum is σ = 1712052528. Its totient is φ = 285342084.

The previous prime is 856026257. The next prime is 856026277. The reversal of 856026258 is 852620658.

It is a sphenic number, since it is the product of 3 distinct primes.

856026258 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (856026253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71335516 + ... + 71335527.

It is an arithmetic number, because the mean of its divisors is an integer number (214006566).

Almost surely, 2^856026258 is an apocalyptic number.

856026258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

856026258 is a wasteful number, since it uses less digits than its factorization.

856026258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142671048.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 856026258 is about 29257.9264131961. The cubic root of 856026258 is about 949.5015882338.

The spelling of 856026258 in words is "eight hundred fifty-six million, twenty-six thousand, two hundred fifty-eight".