68385856 has 56 divisors (see below), whose sum is σ = 169200576. Its totient is φ = 26641920.

The previous prime is 68385853. The next prime is 68385859. The reversal of 68385856 is 65858386.

It is an interprime number because it is at equal distance from previous prime (68385853) and next prime (68385859).

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (68385853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011 + ... + 11866.

Almost surely, 2^68385856 is an apocalyptic number.

It is an amenable number.

68385856 is an abundant number, since it is smaller than the sum of its proper divisors (100814720).

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

68385856 is a wasteful number, since it uses less digits than its factorization.

68385856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13907 (or 13897 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 49.

The square root of 68385856 is about 8269.5741123712. The cubic root of 68385856 is about 408.9360795846.

The spelling of 68385856 in words is "sixty-eight million, three hundred eighty-five thousand, eight hundred fifty-six".