27698660274 has 16 divisors (see below), whose sum is σ = 55801682208. Its totient is φ = 9165493152.

The previous prime is 27698660273. The next prime is 27698660323. The reversal of 27698660274 is 47206689672.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27698660273) by changing a digit.

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, 16847512 + ... + 16849155.

It is an arithmetic number, because the mean of its divisors is an integer number (3487605138).

Almost surely, 2^27698660274 is an apocalyptic number.

27698660274 is an abundant number, since it is smaller than the sum of its proper divisors (28103021934).

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

27698660274 is a wasteful number, since it uses less digits than its factorization.

27698660274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33696809.

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 27698660274 in words is "twenty-seven billion, six hundred ninety-eight million, six hundred sixty thousand, two hundred seventy-four".