27264630257 has 8 divisors (see below), whose sum is σ = 27361328736. Its totient is φ = 27168103872.

The previous prime is 27264630199. The next prime is 27264630269. The reversal of 27264630257 is 75203646272.

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

It is a cyclic number.

It is not a de Polignac number, because 27264630257 - 2¹⁶ = 27264564721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27264630457) 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 7 ways as a sum of consecutive naturals, for example, 278633 + ... + 363545.

It is an arithmetic number, because the mean of its divisors is an integer number (3420166092).

Almost surely, 2^27264630257 is an apocalyptic number.

It is an amenable number.

27264630257 is a deficient number, since it is larger than the sum of its proper divisors (96698479).

27264630257 is an equidigital number, since it uses as much as digits as its factorization.

27264630257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86047.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 27264630257 in words is "twenty-seven billion, two hundred sixty-four million, six hundred thirty thousand, two hundred fifty-seven".