27103823979 has 16 divisors (see below), whose sum is σ = 38274370848. Its totient is φ = 17001810432.

The previous prime is 27103823933. The next prime is 27103823987. The reversal of 27103823979 is 97932830172.

It is not a de Polignac number, because 27103823979 - 2⁸ = 27103823723 is a prime.

It is a super-3 number, since 3×27103823979³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (27103833979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129189 + ... + 266265.

It is an arithmetic number, because the mean of its divisors is an integer number (2392148178).

Almost surely, 2^27103823979 is an apocalyptic number.

27103823979 is a deficient number, since it is larger than the sum of its proper divisors (11170546869).

27103823979 is a wasteful number, since it uses less digits than its factorization.

27103823979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140974.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 27103823979 in words is "twenty-seven billion, one hundred three million, eight hundred twenty-three thousand, nine hundred seventy-nine".