27806691098 has 16 divisors (see below), whose sum is σ = 42824738880. Its totient is φ = 13533324000.

The previous prime is 27806691089. The next prime is 27806691113. The reversal of 27806691098 is 89019660872.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 350228 + ... + 422223.

It is an arithmetic number, because the mean of its divisors is an integer number (2676546180).

Almost surely, 2^27806691098 is an apocalyptic number.

27806691098 is a deficient number, since it is larger than the sum of its proper divisors (15018047782).

27806691098 is a wasteful number, since it uses less digits than its factorization.

27806691098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772933.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 27806691098 in words is "twenty-seven billion, eight hundred six million, six hundred ninety-one thousand, ninety-eight".