27728746374 has 16 divisors (see below), whose sum is σ = 63379991808. Its totient is φ = 7922498952.

The previous prime is 27728746303. The next prime is 27728746403. The reversal of 27728746374 is 47364782772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330104082 + ... + 330104165.

It is an arithmetic number, because the mean of its divisors is an integer number (3961249488).

Almost surely, 2^27728746374 is an apocalyptic number.

27728746374 is an abundant number, since it is smaller than the sum of its proper divisors (35651245434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27728746374 is a wasteful number, since it uses less digits than its factorization.

27728746374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660208259.

The product of its digits is 22127616, while the sum is 57.

The spelling of 27728746374 in words is "twenty-seven billion, seven hundred twenty-eight million, seven hundred forty-six thousand, three hundred seventy-four".