84288375 has 24 divisors (see below), whose sum is σ = 151945872. Its totient is φ = 44953200.

The previous prime is 84288371. The next prime is 84288377. The reversal of 84288375 is 57388248.

It is not a de Polignac number, because 84288375 - 2² = 84288371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 84288375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84288371) 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 23 ways as a sum of consecutive naturals, for example, 36337 + ... + 38586.

It is an arithmetic number, because the mean of its divisors is an integer number (6331078).

Almost surely, 2^84288375 is an apocalyptic number.

84288375 is a deficient number, since it is larger than the sum of its proper divisors (67657497).

84288375 is a wasteful number, since it uses less digits than its factorization.

84288375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74944 (or 74931 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 84288375 is about 9180.8700568083. The cubic root of 84288375 is about 438.4525097580.

The spelling of 84288375 in words is "eighty-four million, two hundred eighty-eight thousand, three hundred seventy-five".