84078203 has 4 divisors (see below), whose sum is σ = 91721688. Its totient is φ = 76434720.

The previous prime is 84078161. The next prime is 84078229. The reversal of 84078203 is 30287048.

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 84078203 - 2¹⁰ = 84077179 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 84078203.

It is not an unprimeable number, because it can be changed into a prime (84078103) 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, 3821726 + ... + 3821747.

It is an arithmetic number, because the mean of its divisors is an integer number (22930422).

Almost surely, 2^84078203 is an apocalyptic number.

84078203 is a deficient number, since it is larger than the sum of its proper divisors (7643485).

84078203 is a wasteful number, since it uses less digits than its factorization.

84078203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643484.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 84078203 is about 9169.4167208171. The cubic root of 84078203 is about 438.0877811733.

The spelling of 84078203 in words is "eighty-four million, seventy-eight thousand, two hundred three".