84129267 has 8 divisors (see below), whose sum is σ = 113261824. Its totient is φ = 55541448.

The previous prime is 84129247. The next prime is 84129271. The reversal of 84129267 is 76292148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84129267 - 2¹⁴ = 84112883 is a prime.

It is a super-3 number, since 3×84129267³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84129217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135823 + ... + 136440.

It is an arithmetic number, because the mean of its divisors is an integer number (14157728).

Almost surely, 2^84129267 is an apocalyptic number.

84129267 is a deficient number, since it is larger than the sum of its proper divisors (29132557).

84129267 is a wasteful number, since it uses less digits than its factorization.

84129267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272369.

The product of its digits is 48384, while the sum is 39.

The square root of 84129267 is about 9172.2007718977. The cubic root of 84129267 is about 438.1764525386.

The spelling of 84129267 in words is "eighty-four million, one hundred twenty-nine thousand, two hundred sixty-seven".