68958412728 has 16 divisors (see below), whose sum is σ = 172396031880. Its totient is φ = 22986137568.

The previous prime is 68958412727. The next prime is 68958412751. The reversal of 68958412728 is 82721485986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68958412727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436633575 + ... + 1436633622.

Almost surely, 2^68958412728 is an apocalyptic number.

It is an amenable number.

68958412728 is an abundant number, since it is smaller than the sum of its proper divisors (103437619152).

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

68958412728 is a wasteful number, since it uses less digits than its factorization.

68958412728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873267206 (or 2873267202 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 60.

The spelling of 68958412728 in words is "sixty-eight billion, nine hundred fifty-eight million, four hundred twelve thousand, seven hundred twenty-eight".