27256963 has 8 divisors (see below), whose sum is σ = 28803600. Its totient is φ = 25721568.

The previous prime is 27256949. The next prime is 27256981. The reversal of 27256963 is 36965272.

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 27256963 - 2⁹ = 27256451 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27256913) 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, 2445 + ... + 7777.

It is an arithmetic number, because the mean of its divisors is an integer number (3600450).

Almost surely, 2^27256963 is an apocalyptic number.

27256963 is a deficient number, since it is larger than the sum of its proper divisors (1546637).

27256963 is a wasteful number, since it uses less digits than its factorization.

27256963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621.

The product of its digits is 136080, while the sum is 40.

The square root of 27256963 is about 5220.8201462989. The cubic root of 27256963 is about 300.9487114741.

The spelling of 27256963 in words is "twenty-seven million, two hundred fifty-six thousand, nine hundred sixty-three".