68102723778886 has 16 divisors (see below), whose sum is σ = 102293142066720. Its totient is φ = 34005032772480.

The previous prime is 68102723778841. The next prime is 68102723778911. The reversal of 68102723778886 is 68887732720186.

It is a super-2 number, since 2×68102723778886² (a number of 28 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, 168030 + ... + 11671918.

It is an arithmetic number, because the mean of its divisors is an integer number (6393321379170).

Almost surely, 2^{68102723778886} is an apocalyptic number.

68102723778886 is a deficient number, since it is larger than the sum of its proper divisors (34190418287834).

68102723778886 is a wasteful number, since it uses less digits than its factorization.

68102723778886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11507919.

The product of its (nonzero) digits is 606928896, while the sum is 73.

The spelling of 68102723778886 in words is "sixty-eight trillion, one hundred two billion, seven hundred twenty-three million, seven hundred seventy-eight thousand, eight hundred eighty-six".