427877555 has 12 divisors (see below), whose sum is σ = 597282480. Its totient is φ = 293401584.

The previous prime is 427877543. The next prime is 427877561. The reversal of 427877555 is 555778724.

It is not a de Polignac number, because 427877555 - 2⁸ = 427877299 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 872975 + ... + 873464.

It is an arithmetic number, because the mean of its divisors is an integer number (49773540).

Almost surely, 2^427877555 is an apocalyptic number.

427877555 is a deficient number, since it is larger than the sum of its proper divisors (169404925).

427877555 is a wasteful number, since it uses less digits than its factorization.

427877555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746458 (or 1746451 counting only the distinct ones).

The product of its digits is 2744000, while the sum is 50.

The square root of 427877555 is about 20685.2013526579. The cubic root of 427877555 is about 753.5403314051.

The spelling of 427877555 in words is "four hundred twenty-seven million, eight hundred seventy-seven thousand, five hundred fifty-five".