84152971 has 8 divisors (see below), whose sum is σ = 97256160. Its totient is φ = 71320128.

The previous prime is 84152969. The next prime is 84152993. The reversal of 84152971 is 17925148.

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 84152971 - 2¹ = 84152969 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 84152971.

It is not an unprimeable number, because it can be changed into a prime (84152371) 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, 66916 + ... + 68161.

It is an arithmetic number, because the mean of its divisors is an integer number (12157020).

Almost surely, 2^84152971 is an apocalyptic number.

84152971 is a deficient number, since it is larger than the sum of its proper divisors (13103189).

84152971 is a wasteful number, since it uses less digits than its factorization.

84152971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135173.

The product of its digits is 20160, while the sum is 37.

The square root of 84152971 is about 9173.4928462391. The cubic root of 84152971 is about 438.2176017513.

The spelling of 84152971 in words is "eighty-four million, one hundred fifty-two thousand, nine hundred seventy-one".