27147073215 has 32 divisors (see below), whose sum is σ = 44489491200. Its totient is φ = 14130581760.

The previous prime is 27147073201. The next prime is 27147073229. The reversal of 27147073215 is 51237074172.

It is an interprime number because it is at equal distance from previous prime (27147073201) and next prime (27147073229).

It is not a de Polignac number, because 27147073215 - 2⁹ = 27147072703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12675 + ... + 233355.

It is an arithmetic number, because the mean of its divisors is an integer number (1390296600).

Almost surely, 2^27147073215 is an apocalyptic number.

27147073215 is a deficient number, since it is larger than the sum of its proper divisors (17342417985).

27147073215 is a wasteful number, since it uses less digits than its factorization.

27147073215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220887.

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 27147073215 in words is "twenty-seven billion, one hundred forty-seven million, seventy-three thousand, two hundred fifteen".