84268427 has 4 divisors (see below), whose sum is σ = 84534576. Its totient is φ = 84002280.

The previous prime is 84268421. The next prime is 84268451. The reversal of 84268427 is 72486248.

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 84268427 - 2²² = 80074123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84268421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132599 + ... + 133232.

It is an arithmetic number, because the mean of its divisors is an integer number (21133644).

Almost surely, 2^84268427 is an apocalyptic number.

84268427 is a deficient number, since it is larger than the sum of its proper divisors (266149).

84268427 is a wasteful number, since it uses less digits than its factorization.

84268427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266148.

The product of its digits is 172032, while the sum is 41.

The square root of 84268427 is about 9179.7836031140. The cubic root of 84268427 is about 438.4179184290.

The spelling of 84268427 in words is "eighty-four million, two hundred sixty-eight thousand, four hundred twenty-seven".