427477 has 2 divisors, whose sum is σ = 427478. Its totient is φ = 427476.

The previous prime is 427457. The next prime is 427513. The reversal of 427477 is 774724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239121 + 188356 = 489^2 + 434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213738 + 213739.

It is an arithmetic number, because the mean of its divisors is an integer number (213739).

2⁴²⁷⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

427477 is a deficient number, since it is larger than the sum of its proper divisors (1).

427477 is an equidigital number, since it uses as much as digits as its factorization.

427477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10976, while the sum is 31.

The square root of 427477 is about 653.8172527549. The cubic root of 427477 is about 75.3305117242.

The spelling of 427477 in words is "four hundred twenty-seven thousand, four hundred seventy-seven", and thus it is an iban number.