68892000068 has 12 divisors (see below), whose sum is σ = 120562841532. Its totient is φ = 34445473920.

The previous prime is 68892000053. The next prime is 68892000071. The reversal of 68892000068 is 86000029886.

It can be written as a sum of positive squares in 2 ways, for example, as 25653788224 + 43238211844 = 160168^2 + 207938^2 .

It is a super-2 number, since 2×68892000068² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68891999986 and 68892000031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420896 + ... + 561192.

It is an arithmetic number, because the mean of its divisors is an integer number (10046903461).

Almost surely, 2^68892000068 is an apocalyptic number.

It is an amenable number.

68892000068 is a deficient number, since it is larger than the sum of its proper divisors (51670841464).

68892000068 is a wasteful number, since it uses less digits than its factorization.

68892000068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263062 (or 263060 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 68892000068 in words is "sixty-eight billion, eight hundred ninety-two million, sixty-eight", and thus it is an aban number.