868638062 has 8 divisors (see below), whose sum is σ = 1305273096. Its totient is φ = 433547032.

The previous prime is 868638047. The next prime is 868638083. The reversal of 868638062 is 260836868.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 868637998 and 868638016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384593 + ... + 386844.

It is an arithmetic number, because the mean of its divisors is an integer number (163159137).

Almost surely, 2^868638062 is an apocalyptic number.

868638062 is a deficient number, since it is larger than the sum of its proper divisors (436635034).

868638062 is a wasteful number, since it uses less digits than its factorization.

868638062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772002.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 868638062 is about 29472.6663537590. Note that the first 3 decimals coincide. The cubic root of 868638062 is about 954.1418648456.

The spelling of 868638062 in words is "eight hundred sixty-eight million, six hundred thirty-eight thousand, sixty-two".