27640613315 has 16 divisors (see below), whose sum is σ = 37912163520. Its totient is φ = 18951045120.

The previous prime is 27640613303. The next prime is 27640613383. The reversal of 27640613315 is 51331604672.

It is not a de Polignac number, because 27640613315 - 2⁸ = 27640613059 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 237251 + ... + 334019.

It is an arithmetic number, because the mean of its divisors is an integer number (2369510220).

Almost surely, 2^27640613315 is an apocalyptic number.

27640613315 is a deficient number, since it is larger than the sum of its proper divisors (10271550205).

27640613315 is an equidigital number, since it uses as much as digits as its factorization.

27640613315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104942.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 27640613315 in words is "twenty-seven billion, six hundred forty million, six hundred thirteen thousand, three hundred fifteen".