427497597 has 12 divisors (see below), whose sum is σ = 617737120. Its totient is φ = 284887368.

The previous prime is 427497583. The next prime is 427497617. The reversal of 427497597 is 795794724.

427497597 is a `hidden beast` number, since 4 + 2 + 7 + 49 + 7 + 597 = 666.

It is not a de Polignac number, because 427497597 - 2¹² = 427493501 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 (427497547) 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 11 ways as a sum of consecutive naturals, for example, 19998 + ... + 35424.

Almost surely, 2^427497597 is an apocalyptic number.

It is an amenable number.

427497597 is a deficient number, since it is larger than the sum of its proper divisors (190239523).

427497597 is a wasteful number, since it uses less digits than its factorization.

427497597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18512 (or 18509 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 427497597 is about 20676.0150174060. The cubic root of 427497597 is about 753.3172158080.

The spelling of 427497597 in words is "four hundred twenty-seven million, four hundred ninety-seven thousand, five hundred ninety-seven".