68897296692 has 72 divisors (see below), whose sum is σ = 199077237632. Its totient is φ = 19680926400.

The previous prime is 68897296667. The next prime is 68897296717. The reversal of 68897296692 is 29669279886.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68897296667) and next prime (68897296717).

It is a self number, because there is not a number n which added to its sum of digits gives 68897296692.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343442 + ... + 1393782.

Almost surely, 2^68897296692 is an apocalyptic number.

It is an amenable number.

68897296692 is an abundant number, since it is smaller than the sum of its proper divisors (130179940940).

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

68897296692 is a wasteful number, since it uses less digits than its factorization.

68897296692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55789 (or 55784 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 72.

The spelling of 68897296692 in words is "sixty-eight billion, eight hundred ninety-seven million, two hundred ninety-six thousand, six hundred ninety-two".