27726412747 has 6 divisors (see below), whose sum is σ = 30476139764. Its totient is φ = 25205829660.

The previous prime is 27726412723. The next prime is 27726412783. The reversal of 27726412747 is 74721462772.

It is not a de Polignac number, because 27726412747 - 2⁷ = 27726412619 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 27726412747.

It is not an unprimeable number, because it can be changed into a prime (27726412717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114571833 + ... + 114572074.

Almost surely, 2^27726412747 is an apocalyptic number.

27726412747 is a deficient number, since it is larger than the sum of its proper divisors (2749727017).

27726412747 is a wasteful number, since it uses less digits than its factorization.

27726412747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229143929 (or 229143918 counting only the distinct ones).

The product of its digits is 1843968, while the sum is 49.

The spelling of 27726412747 in words is "twenty-seven billion, seven hundred twenty-six million, four hundred twelve thousand, seven hundred forty-seven".