84288273 has 4 divisors (see below), whose sum is σ = 112384368. Its totient is φ = 56192180.

The previous prime is 84288271. The next prime is 84288301. The reversal of 84288273 is 37288248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84288273 - 2¹ = 84288271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84288271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14048043 + ... + 14048048.

It is an arithmetic number, because the mean of its divisors is an integer number (28096092).

Almost surely, 2^84288273 is an apocalyptic number.

It is an amenable number.

84288273 is a deficient number, since it is larger than the sum of its proper divisors (28096095).

84288273 is a wasteful number, since it uses less digits than its factorization.

84288273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28096094.

The product of its digits is 172032, while the sum is 42.

The square root of 84288273 is about 9180.8645017776. The cubic root of 84288273 is about 438.4523328962.

The spelling of 84288273 in words is "eighty-four million, two hundred eighty-eight thousand, two hundred seventy-three".