27773651027 has 4 divisors (see below), whose sum is σ = 27892851480. Its totient is φ = 27654450576.

The previous prime is 27773650999. The next prime is 27773651053. The reversal of 27773651027 is 72015637772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27773651027 - 2⁶ = 27773650963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27773651057) 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 3 ways as a sum of consecutive naturals, for example, 59599877 + ... + 59600342.

It is an arithmetic number, because the mean of its divisors is an integer number (6973212870).

Almost surely, 2^27773651027 is an apocalyptic number.

27773651027 is a deficient number, since it is larger than the sum of its proper divisors (119200453).

27773651027 is a wasteful number, since it uses less digits than its factorization.

27773651027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119200452.

The product of its (nonzero) digits is 864360, while the sum is 47.

The spelling of 27773651027 in words is "twenty-seven billion, seven hundred seventy-three million, six hundred fifty-one thousand, twenty-seven".