427447166 has 8 divisors (see below), whose sum is σ = 641283744. Its totient is φ = 213685920.

The previous prime is 427447159. The next prime is 427447213. The reversal of 427447166 is 661744724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×427447166² = 365422159442863112, which contains 22 as substring.

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, 1430 + ... + 29273.

It is an arithmetic number, because the mean of its divisors is an integer number (80160468).

Almost surely, 2^427447166 is an apocalyptic number.

427447166 is a deficient number, since it is larger than the sum of its proper divisors (213836578).

427447166 is a wasteful number, since it uses less digits than its factorization.

427447166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37666.

The product of its digits is 225792, while the sum is 41.

The square root of 427447166 is about 20674.7954282503. The cubic root of 427447166 is about 753.2875922228.

The spelling of 427447166 in words is "four hundred twenty-seven million, four hundred forty-seven thousand, one hundred sixty-six".