27122218079 has 8 divisors (see below), whose sum is σ = 30874303872. Its totient is φ = 23584537240.

The previous prime is 27122218037. The next prime is 27122218093. The reversal of 27122218079 is 97081222172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27122218079 - 2⁸ = 27122217823 is a prime.

It is a super-2 number, since 2×27122218079² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27122218579) 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 7 ways as a sum of consecutive naturals, for example, 53600969 + ... + 53601474.

It is an arithmetic number, because the mean of its divisors is an integer number (3859287984).

Almost surely, 2^27122218079 is an apocalyptic number.

27122218079 is a deficient number, since it is larger than the sum of its proper divisors (3752085793).

27122218079 is a wasteful number, since it uses less digits than its factorization.

27122218079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107202477.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 27122218079 in words is "twenty-seven billion, one hundred twenty-two million, two hundred eighteen thousand, seventy-nine".