84539271 has 8 divisors (see below), whose sum is σ = 114629760. Its totient is φ = 55404152.

The previous prime is 84539269. The next prime is 84539281. The reversal of 84539271 is 17293548.

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

It is a cyclic number.

It is not a de Polignac number, because 84539271 - 2¹ = 84539269 is a prime.

It is a super-2 number, since 2×84539271² = 14293776682422882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84539261) 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, 238635 + ... + 238988.

It is an arithmetic number, because the mean of its divisors is an integer number (14328720).

Almost surely, 2^84539271 is an apocalyptic number.

84539271 is a deficient number, since it is larger than the sum of its proper divisors (30090489).

84539271 is a wasteful number, since it uses less digits than its factorization.

84539271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477685.

The product of its digits is 60480, while the sum is 39.

The square root of 84539271 is about 9194.5239681019. The cubic root of 84539271 is about 438.8871169886.

The spelling of 84539271 in words is "eighty-four million, five hundred thirty-nine thousand, two hundred seventy-one".