27965953 has 8 divisors (see below), whose sum is σ = 29861568. Its totient is φ = 26127024.

The previous prime is 27965911. The next prime is 27965957. The reversal of 27965953 is 35956972.

It is a happy number.

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 27965953 - 2¹⁷ = 27834881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27965957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13150 + ... + 15127.

It is an arithmetic number, because the mean of its divisors is an integer number (3732696).

Almost surely, 2^27965953 is an apocalyptic number.

27965953 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27965953 is a deficient number, since it is larger than the sum of its proper divisors (1895615).

27965953 is a wasteful number, since it uses less digits than its factorization.

27965953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28343.

The product of its digits is 510300, while the sum is 46.

The square root of 27965953 is about 5288.2845044494. The cubic root of 27965953 is about 303.5357678091.

The spelling of 27965953 in words is "twenty-seven million, nine hundred sixty-five thousand, nine hundred fifty-three".