27865944052 has 48 divisors (see below), whose sum is σ = 50427009360. Its totient is φ = 13465267200.

The previous prime is 27865944049. The next prime is 27865944059. The reversal of 27865944052 is 25044956872.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6266938896 + 21599005156 = 79164^2 + 146966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27865944059) 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, 8220774 + ... + 8224162.

It is an arithmetic number, because the mean of its divisors is an integer number (1050562695).

Almost surely, 2^27865944052 is an apocalyptic number.

It is an amenable number.

27865944052 is a deficient number, since it is larger than the sum of its proper divisors (22561065308).

27865944052 is a wasteful number, since it uses less digits than its factorization.

27865944052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892 (or 3890 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 27865944052 in words is "twenty-seven billion, eight hundred sixty-five million, nine hundred forty-four thousand, fifty-two".