27998627 has 8 divisors (see below), whose sum is σ = 28838400. Its totient is φ = 27171144.

The previous prime is 27998617. The next prime is 27998651. The reversal of 27998627 is 72689972.

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 27998627 - 2¹² = 27994531 is a prime.

It is a super-2 number, since 2×27998627² = 1567846227770258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27998617) 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, 1658 + ... + 7664.

It is an arithmetic number, because the mean of its divisors is an integer number (3604800).

Almost surely, 2^27998627 is an apocalyptic number.

27998627 is a deficient number, since it is larger than the sum of its proper divisors (839773).

27998627 is an equidigital number, since it uses as much as digits as its factorization.

27998627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145.

The product of its digits is 762048, while the sum is 50.

The square root of 27998627 is about 5291.3728842334. The cubic root of 27998627 is about 303.6539337295.

The spelling of 27998627 in words is "twenty-seven million, nine hundred ninety-eight thousand, six hundred twenty-seven".