868639062 has 16 divisors (see below), whose sum is σ = 1747938240. Its totient is φ = 287769672.

The previous prime is 868639061. The next prime is 868639111. The reversal of 868639062 is 260936868.

868639062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868639061) 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, 443112 + ... + 445067.

It is an arithmetic number, because the mean of its divisors is an integer number (109246140).

Almost surely, 2^868639062 is an apocalyptic number.

868639062 is an abundant number, since it is smaller than the sum of its proper divisors (879299178).

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

868639062 is a wasteful number, since it uses less digits than its factorization.

868639062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888347.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 868639062 is about 29472.6833186257. The cubic root of 868639062 is about 954.1422309903.

The spelling of 868639062 in words is "eight hundred sixty-eight million, six hundred thirty-nine thousand, sixty-two".