27798467 has 8 divisors (see below), whose sum is σ = 29060640. Its totient is φ = 26540800.

The previous prime is 27798457. The next prime is 27798481. The reversal of 27798467 is 76489772.

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 27798467 - 2⁶ = 27798403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27798427) 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, 20717 + ... + 22017.

It is an arithmetic number, because the mean of its divisors is an integer number (3632580).

Almost surely, 2^27798467 is an apocalyptic number.

27798467 is a deficient number, since it is larger than the sum of its proper divisors (1262173).

27798467 is a wasteful number, since it uses less digits than its factorization.

27798467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253.

The product of its digits is 1185408, while the sum is 50.

The square root of 27798467 is about 5272.4251535702. The cubic root of 27798467 is about 302.9286031025.

The spelling of 27798467 in words is "twenty-seven million, seven hundred ninety-eight thousand, four hundred sixty-seven".