68820558908 has 24 divisors (see below), whose sum is σ = 120736851648. Its totient is φ = 34324367616.

The previous prime is 68820558889. The next prime is 68820558931. The reversal of 68820558908 is 80985502886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8872760 + ... + 8880512.

It is an arithmetic number, because the mean of its divisors is an integer number (5030702152).

Almost surely, 2^68820558908 is an apocalyptic number.

It is an amenable number.

68820558908 is a deficient number, since it is larger than the sum of its proper divisors (51916292740).

68820558908 is a wasteful number, since it uses less digits than its factorization.

68820558908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013 (or 13011 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 59.

The spelling of 68820558908 in words is "sixty-eight billion, eight hundred twenty million, five hundred fifty-eight thousand, nine hundred eight".