27967064445 has 12 divisors (see below), whose sum is σ = 48476245116. Its totient is φ = 14915767680.

The previous prime is 27967064413. The next prime is 27967064473. The reversal of 27967064445 is 54446076972.

27967064445 is a `hidden beast` number, since 2 + 79 + 6 + 70 + 64 + 445 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18224190009 + 9742874436 = 134997^2 + 98706^2 .

It is not a de Polignac number, because 27967064445 - 2⁵ = 27967064413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27967064391 and 27967064400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310745116 + ... + 310745205.

It is an arithmetic number, because the mean of its divisors is an integer number (4039687093).

Almost surely, 2^27967064445 is an apocalyptic number.

It is an amenable number.

27967064445 is a deficient number, since it is larger than the sum of its proper divisors (20509180671).

27967064445 is a wasteful number, since it uses less digits than its factorization.

27967064445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621490332 (or 621490329 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 27967064445 in words is "twenty-seven billion, nine hundred sixty-seven million, sixty-four thousand, four hundred forty-five".