427257655 has 64 divisors (see below), whose sum is σ = 618393600. Its totient is φ = 282268800.

The previous prime is 427257647. The next prime is 427257659. The reversal of 427257655 is 556752724.

It is not a de Polignac number, because 427257655 - 2³ = 427257647 is a prime.

Its product of digits (588000) is a multiple of the sum of its prime divisors (175).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427257659) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3919741 + ... + 3919849.

It is an arithmetic number, because the mean of its divisors is an integer number (9662400).

Almost surely, 2^427257655 is an apocalyptic number.

427257655 is a deficient number, since it is larger than the sum of its proper divisors (191135945).

427257655 is a wasteful number, since it uses less digits than its factorization.

427257655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 175 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The square root of 427257655 is about 20670.2117792731. The cubic root of 427257655 is about 753.1762510648.

The spelling of 427257655 in words is "four hundred twenty-seven million, two hundred fifty-seven thousand, six hundred fifty-five".