27017725427 has 20 divisors (see below), whose sum is σ = 33965058480. Its totient is φ = 21052693200.

The previous prime is 27017725403. The next prime is 27017725447. The reversal of 27017725427 is 72452771072.

It is not a de Polignac number, because 27017725427 - 2³⁰ = 25943983603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27017725447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29324 + ... + 234297.

It is an arithmetic number, because the mean of its divisors is an integer number (1698252924).

Almost surely, 2^27017725427 is an apocalyptic number.

27017725427 is a deficient number, since it is larger than the sum of its proper divisors (6947333053).

27017725427 is an frugal number, since it uses more digits than its factorization.

27017725427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263672 (or 263639 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 44.

The spelling of 27017725427 in words is "twenty-seven billion, seventeen million, seven hundred twenty-five thousand, four hundred twenty-seven".