27420547099 has 8 divisors (see below), whose sum is σ = 30359792448. Its totient is φ = 24555713160.

The previous prime is 27420547093. The next prime is 27420547157. The reversal of 27420547099 is 99074502472.

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

It is not a de Polignac number, because 27420547099 - 2⁵ = 27420547067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27420547093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18602077 + ... + 18603550.

It is an arithmetic number, because the mean of its divisors is an integer number (3794974056).

Almost surely, 2^27420547099 is an apocalyptic number.

27420547099 is a deficient number, since it is larger than the sum of its proper divisors (2939245349).

27420547099 is a wasteful number, since it uses less digits than its factorization.

27420547099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37205705.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 27420547099 in words is "twenty-seven billion, four hundred twenty million, five hundred forty-seven thousand, ninety-nine".