84671319 has 4 divisors (see below), whose sum is σ = 112895096. Its totient is φ = 56447544.

The previous prime is 84671311. The next prime is 84671341. The reversal of 84671319 is 91317648.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84671319 - 2³ = 84671311 is a prime.

It is a super-2 number, since 2×84671319² = 14338464522399522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84671311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14111884 + ... + 14111889.

It is an arithmetic number, because the mean of its divisors is an integer number (28223774).

Almost surely, 2^84671319 is an apocalyptic number.

84671319 is a deficient number, since it is larger than the sum of its proper divisors (28223777).

84671319 is a wasteful number, since it uses less digits than its factorization.

84671319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28223776.

The product of its digits is 36288, while the sum is 39.

The square root of 84671319 is about 9201.7019621372. The cubic root of 84671319 is about 439.1155079570.

The spelling of 84671319 in words is "eighty-four million, six hundred seventy-one thousand, three hundred nineteen".