27754730378 has 32 divisors (see below), whose sum is σ = 43256923776. Its totient is φ = 13346339328.

The previous prime is 27754730371. The next prime is 27754730389. The reversal of 27754730378 is 87303745772.

It is not an unprimeable number, because it can be changed into a prime (27754730371) 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 in 15 ways as a sum of consecutive naturals, for example, 4058450 + ... + 4065282.

It is an arithmetic number, because the mean of its divisors is an integer number (1351778868).

Almost surely, 2^27754730378 is an apocalyptic number.

27754730378 is a deficient number, since it is larger than the sum of its proper divisors (15502193398).

27754730378 is a wasteful number, since it uses less digits than its factorization.

27754730378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598.

The product of its (nonzero) digits is 6914880, while the sum is 53.

The spelling of 27754730378 in words is "twenty-seven billion, seven hundred fifty-four million, seven hundred thirty thousand, three hundred seventy-eight".