68085689370 has 32 divisors (see below), whose sum is σ = 167391161280. Its totient is φ = 17713349760.

The previous prime is 68085689363. The next prime is 68085689389. The reversal of 68085689370 is 7398658086.

It is a super-2 number, since 2×68085689370² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27675880 + ... + 27678339.

It is an arithmetic number, because the mean of its divisors is an integer number (5230973790).

Almost surely, 2^68085689370 is an apocalyptic number.

68085689370 is an abundant number, since it is smaller than the sum of its proper divisors (99305471910).

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

68085689370 is a wasteful number, since it uses less digits than its factorization.

68085689370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55354270.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 68085689370 in words is "sixty-eight billion, eighty-five million, six hundred eighty-nine thousand, three hundred seventy".