27479699 has 4 divisors (see below), whose sum is σ = 29593536. Its totient is φ = 25365864.

The previous prime is 27479677. The next prime is 27479713. The reversal of 27479699 is 99697472.

It is a happy number.

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 27479699 - 2¹² = 27475603 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 27479699.

It is not an unprimeable number, because it can be changed into a prime (27479659) 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 3 ways as a sum of consecutive naturals, for example, 1056899 + ... + 1056924.

It is an arithmetic number, because the mean of its divisors is an integer number (7398384).

Almost surely, 2^27479699 is an apocalyptic number.

27479699 is a deficient number, since it is larger than the sum of its proper divisors (2113837).

27479699 is a wasteful number, since it uses less digits than its factorization.

27479699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113836.

The product of its digits is 1714608, while the sum is 53.

The square root of 27479699 is about 5242.1082590881. The cubic root of 27479699 is about 301.7662438313.

The spelling of 27479699 in words is "twenty-seven million, four hundred seventy-nine thousand, six hundred ninety-nine".