868458773 has 16 divisors (see below), whose sum is σ = 1072081920. Its totient is φ = 685069056.

The previous prime is 868458763. The next prime is 868458779. The reversal of 868458773 is 377854868.

It is a happy number.

It is not a de Polignac number, because 868458773 - 2²⁰ = 867410197 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 16508 + ... + 44826.

It is an arithmetic number, because the mean of its divisors is an integer number (67005120).

Almost surely, 2^868458773 is an apocalyptic number.

It is an amenable number.

868458773 is a deficient number, since it is larger than the sum of its proper divisors (203623147).

868458773 is a wasteful number, since it uses less digits than its factorization.

868458773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28676.

The product of its digits is 9031680, while the sum is 56.

The square root of 868458773 is about 29469.6245819318. The cubic root of 868458773 is about 954.0762145980.

The spelling of 868458773 in words is "eight hundred sixty-eight million, four hundred fifty-eight thousand, seven hundred seventy-three".