68828968526 has 16 divisors (see below), whose sum is σ = 103448479968. Its totient is φ = 34346188800.

The previous prime is 68828968511. The next prime is 68828968553. The reversal of 68828968526 is 62586982886.

It is a happy number.

It is a super-2 number, since 2×68828968526² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403886 + ... + 3424046.

It is an arithmetic number, because the mean of its divisors is an integer number (6465529998).

Almost surely, 2^68828968526 is an apocalyptic number.

68828968526 is a deficient number, since it is larger than the sum of its proper divisors (34619511442).

68828968526 is a wasteful number, since it uses less digits than its factorization.

68828968526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23467.

The product of its digits is 159252480, while the sum is 68.

The spelling of 68828968526 in words is "sixty-eight billion, eight hundred twenty-eight million, nine hundred sixty-eight thousand, five hundred twenty-six".