27199320017 has 16 divisors (see below), whose sum is σ = 29174845392. Its totient is φ = 25266954240.

The previous prime is 27199319999. The next prime is 27199320037. The reversal of 27199320017 is 71002399172.

It can be written as a sum of positive squares in 8 ways, for example, as 5897625616 + 21301694401 = 76796^2 + 145951^2 .

It is a cyclic number.

It is not a de Polignac number, because 27199320017 - 2¹² = 27199315921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27199320037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592967 + ... + 637187.

It is an arithmetic number, because the mean of its divisors is an integer number (1823427837).

Almost surely, 2^27199320017 is an apocalyptic number.

It is an amenable number.

27199320017 is a deficient number, since it is larger than the sum of its proper divisors (1975525375).

27199320017 is a wasteful number, since it uses less digits than its factorization.

27199320017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44708.

The product of its (nonzero) digits is 47628, while the sum is 41.

The spelling of 27199320017 in words is "twenty-seven billion, one hundred ninety-nine million, three hundred twenty thousand, seventeen".