427773120085 has 16 divisors (see below), whose sum is σ = 535176284544. Its totient is φ = 327953126592.

The previous prime is 427773120083. The next prime is 427773120091. The reversal of 427773120085 is 580021377724.

It is a cyclic number.

It is not a de Polignac number, because 427773120085 - 2¹ = 427773120083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427773120083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18758817 + ... + 18781606.

It is an arithmetic number, because the mean of its divisors is an integer number (33448517784).

Almost surely, 2^427773120085 is an apocalyptic number.

It is an amenable number.

427773120085 is a deficient number, since it is larger than the sum of its proper divisors (107403164459).

427773120085 is a wasteful number, since it uses less digits than its factorization.

427773120085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37540524.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 427773120085 in words is "four hundred twenty-seven billion, seven hundred seventy-three million, one hundred twenty thousand, eighty-five".