68928259515270 has 64 divisors (see below), whose sum is σ = 172635441882624. Its totient is φ = 17580162504960.

The previous prime is 68928259515257. The next prime is 68928259515289. The reversal of 68928259515270 is 7251595282986.

68928259515270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×68928259515270² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a junction number, because it is equal to n+sod(n) for n = 68928259515195 and 68928259515204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3530730 + ... + 12260610.

It is an arithmetic number, because the mean of its divisors is an integer number (2697428779416).

Almost surely, 2^{68928259515270} is an apocalyptic number.

68928259515270 is an abundant number, since it is smaller than the sum of its proper divisors (103707182367354).

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

68928259515270 is a wasteful number, since it uses less digits than its factorization.

68928259515270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741357.

The product of its (nonzero) digits is 217728000, while the sum is 69.

The spelling of 68928259515270 in words is "sixty-eight trillion, nine hundred twenty-eight billion, two hundred fifty-nine million, five hundred fifteen thousand, two hundred seventy".