27479896747 has 2 divisors, whose sum is σ = 27479896748. Its totient is φ = 27479896746.

The previous prime is 27479896739. The next prime is 27479896793. The reversal of 27479896747 is 74769897472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27479896747 - 2³ = 27479896739 is a prime.

It is not a weakly prime, because it can be changed into another prime (27479896727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13739948373 + 13739948374.

It is an arithmetic number, because the mean of its divisors is an integer number (13739948374).

Almost surely, 2^27479896747 is an apocalyptic number.

27479896747 is a deficient number, since it is larger than the sum of its proper divisors (1).

27479896747 is an equidigital number, since it uses as much as digits as its factorization.

27479896747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 298722816, while the sum is 70.

The spelling of 27479896747 in words is "twenty-seven billion, four hundred seventy-nine million, eight hundred ninety-six thousand, seven hundred forty-seven".