27776265139 has 8 divisors (see below), whose sum is σ = 31745315168. Its totient is φ = 23807468160.

The previous prime is 27776265089. The next prime is 27776265197. The reversal of 27776265139 is 93156267772.

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

It is not a de Polignac number, because 27776265139 - 2¹³ = 27776256947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27776265139.

It is not an unprimeable number, because it can be changed into a prime (27776265739) 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, 367669 + ... + 436729.

It is an arithmetic number, because the mean of its divisors is an integer number (3968164396).

Almost surely, 2^27776265139 is an apocalyptic number.

27776265139 is a deficient number, since it is larger than the sum of its proper divisors (3969050029).

27776265139 is an equidigital number, since it uses as much as digits as its factorization.

27776265139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126525.

The product of its digits is 6667920, while the sum is 55.

The spelling of 27776265139 in words is "twenty-seven billion, seven hundred seventy-six million, two hundred sixty-five thousand, one hundred thirty-nine".