817638062 has 16 divisors (see below), whose sum is σ = 1260922992. Its totient is φ = 397353600.

The previous prime is 817638061. The next prime is 817638079. The reversal of 817638062 is 260836718.

It is a happy number.

817638062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×817638062² = 1337064000862231688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (817638061) 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, 72518 + ... + 83030.

It is an arithmetic number, because the mean of its divisors is an integer number (78807687).

Almost surely, 2^817638062 is an apocalyptic number.

817638062 is a deficient number, since it is larger than the sum of its proper divisors (443284930).

817638062 is a wasteful number, since it uses less digits than its factorization.

817638062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11603.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 817638062 is about 28594.3711593733. The cubic root of 817638062 is about 935.0906189159.

The spelling of 817638062 in words is "eight hundred seventeen million, six hundred thirty-eight thousand, sixty-two".