27760397 has 8 divisors (see below), whose sum is σ = 32583936. Its totient is φ = 23151312.

The previous prime is 27760391. The next prime is 27760417. The reversal of 27760397 is 79306772.

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

It is a cyclic number.

It is not a de Polignac number, because 27760397 - 2¹² = 27756301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27760391) 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, 53333 + ... + 53850.

It is an arithmetic number, because the mean of its divisors is an integer number (4072992).

Almost surely, 2^27760397 is an apocalyptic number.

It is an amenable number.

27760397 is a deficient number, since it is larger than the sum of its proper divisors (4823539).

27760397 is a wasteful number, since it uses less digits than its factorization.

27760397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107227.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 27760397 is about 5268.8136235779. The cubic root of 27760397 is about 302.7902530212.

The spelling of 27760397 in words is "twenty-seven million, seven hundred sixty thousand, three hundred ninety-seven".