67894568065 has 8 divisors (see below), whose sum is σ = 81481281408. Its totient is φ = 54310454640.

The previous prime is 67894568059. The next prime is 67894568153. The reversal of 67894568065 is 56086549876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67894568065 - 2⁵ = 67894568033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67894567988 and 67894568006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592057 + ... + 697366.

It is an arithmetic number, because the mean of its divisors is an integer number (10185160176).

Almost surely, 2^67894568065 is an apocalyptic number.

It is an amenable number.

67894568065 is a deficient number, since it is larger than the sum of its proper divisors (13586713343).

67894568065 is a wasteful number, since it uses less digits than its factorization.

67894568065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299959.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 67894568065 in words is "sixty-seven billion, eight hundred ninety-four million, five hundred sixty-eight thousand, sixty-five".