27802397 has 8 divisors (see below), whose sum is σ = 32295552. Its totient is φ = 23439600.

The previous prime is 27802373. The next prime is 27802403. The reversal of 27802397 is 79320872.

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 27802397 - 2¹⁰ = 27801373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27802397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27802337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32129 + ... + 32982.

It is an arithmetic number, because the mean of its divisors is an integer number (4036944).

Almost surely, 2^27802397 is an apocalyptic number.

It is an amenable number.

27802397 is a deficient number, since it is larger than the sum of its proper divisors (4493155).

27802397 is an equidigital number, since it uses as much as digits as its factorization.

27802397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65179.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 27802397 is about 5272.7978341674. The cubic root of 27802397 is about 302.9428779102.

The spelling of 27802397 in words is "twenty-seven million, eight hundred two thousand, three hundred ninety-seven".