68036887804445 has 32 divisors (see below), whose sum is σ = 97381090639872. Its totient is φ = 44617874064192.

The previous prime is 68036887804441. The next prime is 68036887804477. The reversal of 68036887804445 is 54440878863086.

68036887804445 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 68036887804445 - 2² = 68036887804441 is a prime.

It is a super-2 number, since 2×68036887804445² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68036887804441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2406977 + ... + 11910806.

It is an arithmetic number, because the mean of its divisors is an integer number (3043159082496).

Almost surely, 2^{68036887804445} is an apocalyptic number.

It is an amenable number.

68036887804445 is a deficient number, since it is larger than the sum of its proper divisors (29344202835427).

68036887804445 is a wasteful number, since it uses less digits than its factorization.

68036887804445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14323721.

The product of its (nonzero) digits is 990904320, while the sum is 71.

The spelling of 68036887804445 in words is "sixty-eight trillion, thirty-six billion, eight hundred eighty-seven million, eight hundred four thousand, four hundred forty-five".