868458774 has 16 divisors (see below), whose sum is σ = 1740879360. Its totient is φ = 288825960.

The previous prime is 868458763. The next prime is 868458779. The reversal of 868458774 is 477854868.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868458779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162222 + ... + 167489.

It is an arithmetic number, because the mean of its divisors is an integer number (108804960).

Almost surely, 2^868458774 is an apocalyptic number.

868458774 is an abundant number, since it is smaller than the sum of its proper divisors (872420586).

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

868458774 is a wasteful number, since it uses less digits than its factorization.

868458774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330155.

The product of its digits is 12042240, while the sum is 57.

The square root of 868458774 is about 29469.6245988984. The cubic root of 868458774 is about 954.0762149642.

The spelling of 868458774 in words is "eight hundred sixty-eight million, four hundred fifty-eight thousand, seven hundred seventy-four".