68341132278 has 24 divisors (see below), whose sum is σ = 150866275248. Its totient is φ = 22350558672.

The previous prime is 68341132261. The next prime is 68341132361. The reversal of 68341132278 is 87223114386.

68341132278 is a `hidden beast` number, since 6 + 8 + 3 + 411 + 3 + 227 + 8 = 666.

It is a super-2 number, since 2×68341132278² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35817250 + ... + 35819157.

It is an arithmetic number, because the mean of its divisors is an integer number (6286094802).

Almost surely, 2^68341132278 is an apocalyptic number.

68341132278 is an abundant number, since it is smaller than the sum of its proper divisors (82525142970).

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

68341132278 is a wasteful number, since it uses less digits than its factorization.

68341132278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71636468 (or 71636465 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 68341132278 in words is "sixty-eight billion, three hundred forty-one million, one hundred thirty-two thousand, two hundred seventy-eight".