427775841 has 12 divisors (see below), whose sum is σ = 623568660. Its totient is φ = 282566880.

The previous prime is 427775807. The next prime is 427775849. The reversal of 427775841 is 148577724.

It can be written as a sum of positive squares in 2 ways, for example, as 272250000 + 155525841 = 16500^2 + 12471^2 .

It is not a de Polignac number, because 427775841 - 2⁷ = 427775713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427775849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217050 + ... + 219011.

It is an arithmetic number, because the mean of its divisors is an integer number (51964055).

Almost surely, 2^427775841 is an apocalyptic number.

It is an amenable number.

427775841 is a deficient number, since it is larger than the sum of its proper divisors (195792819).

427775841 is a wasteful number, since it uses less digits than its factorization.

427775841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436176 (or 436173 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 427775841 is about 20682.7425889315. The cubic root of 427775841 is about 753.4806167551.

The spelling of 427775841 in words is "four hundred twenty-seven million, seven hundred seventy-five thousand, eight hundred forty-one".