67278944445 has 16 divisors (see below), whose sum is σ = 110149714752. Its totient is φ = 35047635840.

The previous prime is 67278944419. The next prime is 67278944479. The reversal of 67278944445 is 54444987276.

It is not a de Polignac number, because 67278944445 - 2¹² = 67278940349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52153576 + ... + 52154865.

It is an arithmetic number, because the mean of its divisors is an integer number (6884357172).

Almost surely, 2^67278944445 is an apocalyptic number.

It is an amenable number.

67278944445 is a deficient number, since it is larger than the sum of its proper divisors (42870770307).

67278944445 is a wasteful number, since it uses less digits than its factorization.

67278944445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104308492.

The product of its digits is 54190080, while the sum is 60.

The spelling of 67278944445 in words is "sixty-seven billion, two hundred seventy-eight million, nine hundred forty-four thousand, four hundred forty-five".