27479739099 has 16 divisors (see below), whose sum is σ = 37557886464. Its totient is φ = 17861294400.

The previous prime is 27479739073. The next prime is 27479739113. The reversal of 27479739099 is 99093797472.

It is not a de Polignac number, because 27479739099 - 2¹⁹ = 27479214811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27479739299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117394 + ... + 262184.

It is an arithmetic number, because the mean of its divisors is an integer number (2347367904).

Almost surely, 2^27479739099 is an apocalyptic number.

27479739099 is a deficient number, since it is larger than the sum of its proper divisors (10078147365).

27479739099 is a wasteful number, since it uses less digits than its factorization.

27479739099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146378.

The product of its (nonzero) digits is 54010152, while the sum is 66.

The spelling of 27479739099 in words is "twenty-seven billion, four hundred seventy-nine million, seven hundred thirty-nine thousand, ninety-nine".