27773625145 has 16 divisors (see below), whose sum is σ = 38102803200. Its totient is φ = 19038141504.

The previous prime is 27773625127. The next prime is 27773625151. The reversal of 27773625145 is 54152637772.

It is a cyclic number.

It is not a de Polignac number, because 27773625145 - 2⁹ = 27773624633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35070 + ... + 238279.

It is an arithmetic number, because the mean of its divisors is an integer number (2381425200).

Almost surely, 2^27773625145 is an apocalyptic number.

It is an amenable number.

27773625145 is a deficient number, since it is larger than the sum of its proper divisors (10329178055).

27773625145 is a wasteful number, since it uses less digits than its factorization.

27773625145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276264.

The product of its digits is 2469600, while the sum is 49.

The spelling of 27773625145 in words is "twenty-seven billion, seven hundred seventy-three million, six hundred twenty-five thousand, one hundred forty-five".