68826888331 has 2 divisors, whose sum is σ = 68826888332. Its totient is φ = 68826888330.

The previous prime is 68826888301. The next prime is 68826888337. The reversal of 68826888331 is 13388862886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68826888331 - 2⁷ = 68826888203 is a prime.

It is a super-2 number, since 2×68826888331² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68826888331.

It is not a weakly prime, because it can be changed into another prime (68826888337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34413444165 + 34413444166.

It is an arithmetic number, because the mean of its divisors is an integer number (34413444166).

Almost surely, 2^68826888331 is an apocalyptic number.

68826888331 is a deficient number, since it is larger than the sum of its proper divisors (1).

68826888331 is an equidigital number, since it uses as much as digits as its factorization.

68826888331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21233664, while the sum is 61.

The spelling of 68826888331 in words is "sixty-eight billion, eight hundred twenty-six million, eight hundred eighty-eight thousand, three hundred thirty-one".