427334885 has 4 divisors (see below), whose sum is σ = 512801868. Its totient is φ = 341867904.

The previous prime is 427334851. The next prime is 427334891. The reversal of 427334885 is 588433724.

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 46226401 + 381108484 = 6799^2 + 19522^2 .

It is a cyclic number.

It is not a de Polignac number, because 427334885 - 2⁶ = 427334821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42733484 + ... + 42733493.

It is an arithmetic number, because the mean of its divisors is an integer number (128200467).

Almost surely, 2^427334885 is an apocalyptic number.

It is an amenable number.

427334885 is a deficient number, since it is larger than the sum of its proper divisors (85466983).

427334885 is an equidigital number, since it uses as much as digits as its factorization.

427334885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85466982.

The product of its digits is 645120, while the sum is 44.

The square root of 427334885 is about 20672.0798421446. The cubic root of 427334885 is about 753.2216290678.

The spelling of 427334885 in words is "four hundred twenty-seven million, three hundred thirty-four thousand, eight hundred eighty-five".