84012207 has 4 divisors (see below), whose sum is σ = 112016280. Its totient is φ = 56008136.

The previous prime is 84012143. The next prime is 84012209. The reversal of 84012207 is 70221048.

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 84012207 - 2⁶ = 84012143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84012209) 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, 14002032 + ... + 14002037.

It is an arithmetic number, because the mean of its divisors is an integer number (28004070).

Almost surely, 2^84012207 is an apocalyptic number.

84012207 is a deficient number, since it is larger than the sum of its proper divisors (28004073).

84012207 is a wasteful number, since it uses less digits than its factorization.

84012207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28004072.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 84012207 is about 9165.8173121659. The cubic root of 84012207 is about 437.9731275605.

The spelling of 84012207 in words is "eighty-four million, twelve thousand, two hundred seven".