27777133135 has 4 divisors (see below), whose sum is σ = 33332559768. Its totient is φ = 22221706504.

The previous prime is 27777133123. The next prime is 27777133157. The reversal of 27777133135 is 53133177772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27777133135 - 2¹³ = 27777124943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777713309 + ... + 2777713318.

It is an arithmetic number, because the mean of its divisors is an integer number (8333139942).

Almost surely, 2^27777133135 is an apocalyptic number.

27777133135 is a deficient number, since it is larger than the sum of its proper divisors (5555426633).

27777133135 is an equidigital number, since it uses as much as digits as its factorization.

27777133135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555426632.

The product of its digits is 648270, while the sum is 46.

The spelling of 27777133135 in words is "twenty-seven billion, seven hundred seventy-seven million, one hundred thirty-three thousand, one hundred thirty-five".