42287827 has 8 divisors (see below), whose sum is σ = 43387200. Its totient is φ = 41196864.

The previous prime is 42287821. The next prime is 42287879. The reversal of 42287827 is 72878224.

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 42287827 - 2¹¹ = 42285779 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 42287827.

It is not an unprimeable number, because it can be changed into a prime (42287821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8799 + ... + 12727.

It is an arithmetic number, because the mean of its divisors is an integer number (5423400).

Almost surely, 2^42287827 is an apocalyptic number.

42287827 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42287827 is a deficient number, since it is larger than the sum of its proper divisors (1099373).

42287827 is a wasteful number, since it uses less digits than its factorization.

42287827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205.

The product of its digits is 100352, while the sum is 40.

The square root of 42287827 is about 6502.9091182332. The cubic root of 42287827 is about 348.3949006096.

The spelling of 42287827 in words is "forty-two million, two hundred eighty-seven thousand, eight hundred twenty-seven".