427171366 has 4 divisors (see below), whose sum is σ = 640757052. Its totient is φ = 213585682.

The previous prime is 427171337. The next prime is 427171373. The reversal of 427171366 is 663171724.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106792840 + ... + 106792843.

It is an arithmetic number, because the mean of its divisors is an integer number (160189263).

Almost surely, 2^427171366 is an apocalyptic number.

427171366 is a deficient number, since it is larger than the sum of its proper divisors (213585686).

427171366 is a wasteful number, since it uses less digits than its factorization.

427171366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213585685.

The product of its digits is 42336, while the sum is 37.

The square root of 427171366 is about 20668.1243948260. The cubic root of 427171366 is about 753.1255437999.

The spelling of 427171366 in words is "four hundred twenty-seven million, one hundred seventy-one thousand, three hundred sixty-six".