27063979 has 4 divisors (see below), whose sum is σ = 27120960. Its totient is φ = 27007000.

The previous prime is 27063943. The next prime is 27063991. The reversal of 27063979 is 97936072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27063979 - 2¹⁵ = 27031211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27063079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27772 + ... + 28729.

It is an arithmetic number, because the mean of its divisors is an integer number (6780240).

Almost surely, 2^27063979 is an apocalyptic number.

27063979 is a deficient number, since it is larger than the sum of its proper divisors (56981).

27063979 is an equidigital number, since it uses as much as digits as its factorization.

27063979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56980.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 27063979 is about 5202.3051621373. The cubic root of 27063979 is about 300.2367723396.

The spelling of 27063979 in words is "twenty-seven million, sixty-three thousand, nine hundred seventy-nine".