428101567 has 4 divisors (see below), whose sum is σ = 442863720. Its totient is φ = 413339416.

The previous prime is 428101501. The next prime is 428101571. The reversal of 428101567 is 765101824.

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 428101567 - 2⁷ = 428101439 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 (428101367) 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, 7381033 + ... + 7381090.

It is an arithmetic number, because the mean of its divisors is an integer number (110715930).

Almost surely, 2^428101567 is an apocalyptic number.

428101567 is a deficient number, since it is larger than the sum of its proper divisors (14762153).

428101567 is a wasteful number, since it uses less digits than its factorization.

428101567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14762152.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 428101567 is about 20690.6154330895. The cubic root of 428101567 is about 753.6718118758.

The spelling of 428101567 in words is "four hundred twenty-eight million, one hundred one thousand, five hundred sixty-seven".