868458772 has 12 divisors (see below), whose sum is σ = 1522585120. Its totient is φ = 433434456.

The previous prime is 868458763. The next prime is 868458779. The reversal of 868458772 is 277854868.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196272 + ... + 200647.

Almost surely, 2^868458772 is an apocalyptic number.

It is an amenable number.

868458772 is a deficient number, since it is larger than the sum of its proper divisors (654126348).

868458772 is a wasteful number, since it uses less digits than its factorization.

868458772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397470 (or 397468 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 55.

The square root of 868458772 is about 29469.6245649652. The cubic root of 868458772 is about 954.0762142318.

The spelling of 868458772 in words is "eight hundred sixty-eight million, four hundred fifty-eight thousand, seven hundred seventy-two".