427260555 has 16 divisors (see below), whose sum is σ = 759574560. Its totient is φ = 227872224.

The previous prime is 427260553. The next prime is 427260557. The reversal of 427260555 is 555062724.

427260555 is a `hidden beast` number, since 42 + 7 + 2 + 60 + 555 = 666.

It is an interprime number because it is at equal distance from previous prime (427260553) and next prime (427260557).

It is not a de Polignac number, because 427260555 - 2¹ = 427260553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427260553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1582312 + ... + 1582581.

It is an arithmetic number, because the mean of its divisors is an integer number (47473410).

Almost surely, 2^427260555 is an apocalyptic number.

427260555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427260555 is a deficient number, since it is larger than the sum of its proper divisors (332314005).

427260555 is a wasteful number, since it uses less digits than its factorization.

427260555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164907 (or 3164901 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 427260555 is about 20670.2819284111. The cubic root of 427260555 is about 753.1779551155.

The spelling of 427260555 in words is "four hundred twenty-seven million, two hundred sixty thousand, five hundred fifty-five".