68657898080 has 48 divisors (see below), whose sum is σ = 166160502144. Its totient is φ = 26793323520.

The previous prime is 68657898047. The next prime is 68657898097. The reversal of 68657898080 is 8089875686.

68657898080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 68657897998 and 68657898016.

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, 5226512 + ... + 5239631.

It is an arithmetic number, because the mean of its divisors is an integer number (3461677128).

Almost surely, 2^68657898080 is an apocalyptic number.

It is an amenable number.

68657898080 is an abundant number, since it is smaller than the sum of its proper divisors (97502604064).

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

68657898080 is a wasteful number, since it uses less digits than its factorization.

68657898080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466199 (or 10466191 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 65.

The spelling of 68657898080 in words is "sixty-eight billion, six hundred fifty-seven million, eight hundred ninety-eight thousand, eighty".