27000045577 has 8 divisors (see below), whose sum is σ = 27669853512. Its totient is φ = 26330774400.

The previous prime is 27000045563. The next prime is 27000045581. The reversal of 27000045577 is 77554000072.

It can be written as a sum of positive squares in 4 ways, for example, as 460703296 + 26539342281 = 21464^2 + 162909^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27000045577 is a prime.

It is a super-2 number, since 2×27000045577² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27000045547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31374 + ... + 234487.

It is an arithmetic number, because the mean of its divisors is an integer number (3458731689).

Almost surely, 2^27000045577 is an apocalyptic number.

It is an amenable number.

27000045577 is a deficient number, since it is larger than the sum of its proper divisors (669807935).

27000045577 is a wasteful number, since it uses less digits than its factorization.

27000045577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268379.

The product of its (nonzero) digits is 68600, while the sum is 37.

The spelling of 27000045577 in words is "twenty-seven billion, forty-five thousand, five hundred seventy-seven".