427025377 has 4 divisors (see below), whose sum is σ = 441750420. Its totient is φ = 412300336.

The previous prime is 427025353. The next prime is 427025381. The reversal of 427025377 is 773520724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353477601 + 73547776 = 18801^2 + 8576^2 .

It is a cyclic number.

It is not a de Polignac number, because 427025377 - 2¹¹ = 427023329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427025317) 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 3 ways as a sum of consecutive naturals, for example, 7362478 + ... + 7362535.

It is an arithmetic number, because the mean of its divisors is an integer number (110437605).

Almost surely, 2^427025377 is an apocalyptic number.

It is an amenable number.

427025377 is a deficient number, since it is larger than the sum of its proper divisors (14725043).

427025377 is a wasteful number, since it uses less digits than its factorization.

427025377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14725042.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 427025377 is about 20664.5923502013. The cubic root of 427025377 is about 753.0397386006.

The spelling of 427025377 in words is "four hundred twenty-seven million, twenty-five thousand, three hundred seventy-seven".