27740545527 has 8 divisors (see below), whose sum is σ = 37037857264. Its totient is φ = 18468465408.

The previous prime is 27740545513. The next prime is 27740545541. The reversal of 27740545527 is 72554504772.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27740545513) and next prime (27740545541).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27740545527 - 2⁶ = 27740545463 is a prime.

It is a super-2 number, since 2×27740545527² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27740545577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6305338 + ... + 6309735.

It is an arithmetic number, because the mean of its divisors is an integer number (4629732158).

Almost surely, 2^27740545527 is an apocalyptic number.

27740545527 is a deficient number, since it is larger than the sum of its proper divisors (9297311737).

27740545527 is a wasteful number, since it uses less digits than its factorization.

27740545527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12615809.

The product of its (nonzero) digits is 2744000, while the sum is 48.

The spelling of 27740545527 in words is "twenty-seven billion, seven hundred forty million, five hundred forty-five thousand, five hundred twenty-seven".