27740137766 has 16 divisors (see below), whose sum is σ = 46500099408. Its totient is φ = 12301612800.

The previous prime is 27740137721. The next prime is 27740137783. The reversal of 27740137766 is 66773104772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15376115 + ... + 15377918.

It is an arithmetic number, because the mean of its divisors is an integer number (2906256213).

Almost surely, 2^27740137766 is an apocalyptic number.

27740137766 is a deficient number, since it is larger than the sum of its proper divisors (18759961642).

27740137766 is a wasteful number, since it uses less digits than its factorization.

27740137766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30754087.

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 27740137766 in words is "twenty-seven billion, seven hundred forty million, one hundred thirty-seven thousand, seven hundred sixty-six".