27773345723 has 16 divisors (see below), whose sum is σ = 30658754016. Its totient is φ = 25049955840.

The previous prime is 27773345713. The next prime is 27773345731. The reversal of 27773345723 is 32754337772.

It is a cyclic number.

It is not a de Polignac number, because 27773345723 - 2⁶ = 27773345659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27773345713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319688 + ... + 397173.

It is an arithmetic number, because the mean of its divisors is an integer number (1916172126).

Almost surely, 2^27773345723 is an apocalyptic number.

27773345723 is a deficient number, since it is larger than the sum of its proper divisors (2885408293).

27773345723 is a wasteful number, since it uses less digits than its factorization.

27773345723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716974.

The product of its digits is 5186160, while the sum is 50.

The spelling of 27773345723 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred forty-five thousand, seven hundred twenty-three".