427244167 has 4 divisors (see below), whose sum is σ = 488279056. Its totient is φ = 366209280.

The previous prime is 427244137. The next prime is 427244177. The reversal of 427244167 is 761442724.

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

It is a cyclic number.

It is not a de Polignac number, because 427244167 - 2¹⁵ = 427211399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427244137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30517434 + ... + 30517447.

It is an arithmetic number, because the mean of its divisors is an integer number (122069764).

Almost surely, 2^427244167 is an apocalyptic number.

427244167 is a deficient number, since it is larger than the sum of its proper divisors (61034889).

427244167 is an equidigital number, since it uses as much as digits as its factorization.

427244167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61034888.

The product of its digits is 75264, while the sum is 37.

The square root of 427244167 is about 20669.8855100845. The cubic root of 427244167 is about 753.1683253646.

The spelling of 427244167 in words is "four hundred twenty-seven million, two hundred forty-four thousand, one hundred sixty-seven".