68447414815 has 16 divisors (see below), whose sum is σ = 89018542368. Its totient is φ = 50223828096.

The previous prime is 68447414803. The next prime is 68447414831. The reversal of 68447414815 is 51841474486.

68447414815 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68447414815 - 2¹⁷ = 68447283743 is a prime.

It is a Duffinian number.

68447414815 is strictly pandigital in base 11.

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 15 ways as a sum of consecutive naturals, for example, 3343417 + ... + 3363826.

It is an arithmetic number, because the mean of its divisors is an integer number (5563658898).

Almost surely, 2^68447414815 is an apocalyptic number.

68447414815 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68447414815 is a deficient number, since it is larger than the sum of its proper divisors (20571127553).

68447414815 is a wasteful number, since it uses less digits than its factorization.

68447414815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707418.

The product of its digits is 3440640, while the sum is 52.

The spelling of 68447414815 in words is "sixty-eight billion, four hundred forty-seven million, four hundred fourteen thousand, eight hundred fifteen".