27099485815 has 8 divisors (see below), whose sum is σ = 32531263488. Its totient is φ = 21671668320.

The previous prime is 27099485797. The next prime is 27099485837. The reversal of 27099485815 is 51858499072.

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

It is not a de Polignac number, because 27099485815 - 2²⁷ = 26965268087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27099485815.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 974967 + ... + 1002376.

It is an arithmetic number, because the mean of its divisors is an integer number (4066407936).

Almost surely, 2^27099485815 is an apocalyptic number.

27099485815 is a deficient number, since it is larger than the sum of its proper divisors (5431777673).

27099485815 is a wasteful number, since it uses less digits than its factorization.

27099485815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980089.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 27099485815 in words is "twenty-seven billion, ninety-nine million, four hundred eighty-five thousand, eight hundred fifteen".