27247896747 has 10 divisors (see below), whose sum is σ = 40703648348. Its totient is φ = 18165264444.

The previous prime is 27247896743. The next prime is 27247896829. The reversal of 27247896747 is 74769874272.

27247896747 is a `hidden beast` number, since 2 + 7 + 2 + 478 + 96 + 74 + 7 = 666.

It is not a de Polignac number, because 27247896747 - 2² = 27247896743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27247896743) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 168196813 + ... + 168196974.

Almost surely, 2^27247896747 is an apocalyptic number.

27247896747 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27247896747 is a deficient number, since it is larger than the sum of its proper divisors (13455751601).

27247896747 is an equidigital number, since it uses as much as digits as its factorization.

27247896747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336393799 (or 336393790 counting only the distinct ones).

The product of its digits is 66382848, while the sum is 63.

The spelling of 27247896747 in words is "twenty-seven billion, two hundred forty-seven million, eight hundred ninety-six thousand, seven hundred forty-seven".