84880319 has 2 divisors, whose sum is σ = 84880320. Its totient is φ = 84880318.

The previous prime is 84880249. The next prime is 84880321. The reversal of 84880319 is 91308848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84880319 - 2²⁴ = 68103103 is a prime.

It is a super-2 number, since 2×84880319² = 14409337107083522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 84880321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84880339) 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 as a sum of consecutive naturals, namely, 42440159 + 42440160.

It is an arithmetic number, because the mean of its divisors is an integer number (42440160).

Almost surely, 2^84880319 is an apocalyptic number.

84880319 is a deficient number, since it is larger than the sum of its proper divisors (1).

84880319 is an equidigital number, since it uses as much as digits as its factorization.

84880319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 84880319 is about 9213.0515574374. The cubic root of 84880319 is about 439.4765106909.

The spelling of 84880319 in words is "eighty-four million, eight hundred eighty thousand, three hundred nineteen".