68833114578 has 42 divisors (see below), whose sum is σ = 154826225127. Its totient is φ = 22941032220.

The previous prime is 68833114561. The next prime is 68833114607. The reversal of 68833114578 is 87541133886.

It is a happy number.

68833114578 is a `hidden beast` number, since 68 + 8 + 3 + 3 + 1 + 1 + 4 + 578 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34416557289 + 34416557289 = 185517^2 + 185517^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=185517.

It is a super-2 number, since 2×68833114578² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 10014483 + ... + 10021353.

Almost surely, 2^68833114578 is an apocalyptic number.

68833114578 is an abundant number, since it is smaller than the sum of its proper divisors (85993110549).

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

68833114578 is an frugal number, since it uses more digits than its factorization.

68833114578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13762 (or 6876 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 68833114578 in words is "sixty-eight billion, eight hundred thirty-three million, one hundred fourteen thousand, five hundred seventy-eight".