27566090253 has 12 divisors (see below), whose sum is σ = 42880585020. Its totient is φ = 16963747776.

The previous prime is 27566090231. The next prime is 27566090263. The reversal of 27566090253 is 35209066572.

It can be written as a sum of positive squares in 2 ways, for example, as 1568397609 + 25997692644 = 39603^2 + 161238^2 .

It is not a de Polignac number, because 27566090253 - 2⁸ = 27566089997 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27566090199 and 27566090208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27566090263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117803688 + ... + 117803921.

It is an arithmetic number, because the mean of its divisors is an integer number (3573382085).

Almost surely, 2^27566090253 is an apocalyptic number.

It is an amenable number.

27566090253 is a deficient number, since it is larger than the sum of its proper divisors (15314494767).

27566090253 is a wasteful number, since it uses less digits than its factorization.

27566090253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235607628 (or 235607625 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 27566090253 in words is "twenty-seven billion, five hundred sixty-six million, ninety thousand, two hundred fifty-three".