427166303 has 8 divisors (see below), whose sum is σ = 450268800. Its totient is φ = 404125848.

The previous prime is 427166279. The next prime is 427166309. The reversal of 427166303 is 303661724.

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

It is a cyclic number.

It is not a de Polignac number, because 427166303 - 2⁶ = 427166239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427166303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427166309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013 + ... + 29246.

It is an arithmetic number, because the mean of its divisors is an integer number (56283600).

Almost surely, 2^427166303 is an apocalyptic number.

427166303 is a deficient number, since it is larger than the sum of its proper divisors (23102497).

427166303 is a wasteful number, since it uses less digits than its factorization.

427166303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31021.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 427166303 is about 20668.0019111669. The cubic root of 427166303 is about 753.1225683432.

The spelling of 427166303 in words is "four hundred twenty-seven million, one hundred sixty-six thousand, three hundred three".