84230719 has 4 divisors (see below), whose sum is σ = 84392296. Its totient is φ = 84069144.

The previous prime is 84230717. The next prime is 84230723. The reversal of 84230719 is 91703248.

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

It is a cyclic number.

It is not a de Polignac number, because 84230719 - 2¹ = 84230717 is a prime.

It is a super-2 number, since 2×84230719² = 14189628046513922, 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 (84230717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80004 + ... + 81049.

It is an arithmetic number, because the mean of its divisors is an integer number (21098074).

Almost surely, 2^84230719 is an apocalyptic number.

84230719 is a deficient number, since it is larger than the sum of its proper divisors (161577).

84230719 is a wasteful number, since it uses less digits than its factorization.

84230719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161576.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 84230719 is about 9177.7295122487. The cubic root of 84230719 is about 438.3525150115.

The spelling of 84230719 in words is "eighty-four million, two hundred thirty thousand, seven hundred nineteen".