84050287 has 4 divisors (see below), whose sum is σ = 86100336. Its totient is φ = 82000240.

The previous prime is 84050249. The next prime is 84050299. The reversal of 84050287 is 78205048.

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 84050287 - 2¹⁹ = 83525999 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 (84050587) 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 3 ways as a sum of consecutive naturals, for example, 1024963 + ... + 1025044.

It is an arithmetic number, because the mean of its divisors is an integer number (21525084).

Almost surely, 2^84050287 is an apocalyptic number.

84050287 is a deficient number, since it is larger than the sum of its proper divisors (2050049).

84050287 is a wasteful number, since it uses less digits than its factorization.

84050287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050048.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 84050287 is about 9167.8943602116. The cubic root of 84050287 is about 438.0392905546.

The spelling of 84050287 in words is "eighty-four million, fifty thousand, two hundred eighty-seven".