27760135918 has 4 divisors (see below), whose sum is σ = 41640203880. Its totient is φ = 13880067958.

The previous prime is 27760135841. The next prime is 27760135919. The reversal of 27760135918 is 81953106772.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27760135919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6940033978 + ... + 6940033981.

It is an arithmetic number, because the mean of its divisors is an integer number (10410050970).

Almost surely, 2^27760135918 is an apocalyptic number.

27760135918 is a deficient number, since it is larger than the sum of its proper divisors (13880067962).

27760135918 is a wasteful number, since it uses less digits than its factorization.

27760135918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880067961.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 27760135918 in words is "twenty-seven billion, seven hundred sixty million, one hundred thirty-five thousand, nine hundred eighteen".