27754877139 has 8 divisors (see below), whose sum is σ = 40370730432. Its totient is φ = 16821137640.

The previous prime is 27754877089. The next prime is 27754877159. The reversal of 27754877139 is 93177845772.

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

It is not a de Polignac number, because 27754877139 - 2⁷ = 27754877011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27754877159) 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, 420528409 + ... + 420528474.

It is an arithmetic number, because the mean of its divisors is an integer number (5046341304).

Almost surely, 2^27754877139 is an apocalyptic number.

27754877139 is a deficient number, since it is larger than the sum of its proper divisors (12615853293).

27754877139 is a wasteful number, since it uses less digits than its factorization.

27754877139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841056897.

The product of its digits is 20744640, while the sum is 60.

The spelling of 27754877139 in words is "twenty-seven billion, seven hundred fifty-four million, eight hundred seventy-seven thousand, one hundred thirty-nine".