68791897228 has 6 divisors (see below), whose sum is σ = 120385820156. Its totient is φ = 34395948612.

The previous prime is 68791897157. The next prime is 68791897253. The reversal of 68791897228 is 82279819786.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8598987150 + ... + 8598987157.

Almost surely, 2^68791897228 is an apocalyptic number.

It is an amenable number.

68791897228 is a deficient number, since it is larger than the sum of its proper divisors (51593922928).

68791897228 is a wasteful number, since it uses less digits than its factorization.

68791897228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17197974311 (or 17197974309 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 67.

The spelling of 68791897228 in words is "sixty-eight billion, seven hundred ninety-one million, eight hundred ninety-seven thousand, two hundred twenty-eight".