85230719 has 8 divisors (see below), whose sum is σ = 97474560. Its totient is φ = 73003896.

The previous prime is 85230689. The next prime is 85230727. The reversal of 85230719 is 91703258.

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

It is not a de Polignac number, because 85230719 - 2¹² = 85226623 is a prime.

It is a super-2 number, since 2×85230719² = 14528550922513922, 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 (85230799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9422 + ... + 16100.

It is an arithmetic number, because the mean of its divisors is an integer number (12184320).

Almost surely, 2^85230719 is an apocalyptic number.

85230719 is a deficient number, since it is larger than the sum of its proper divisors (12243841).

85230719 is a wasteful number, since it uses less digits than its factorization.

85230719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 85230719 is about 9232.0484725764. The cubic root of 85230719 is about 440.0804243485.

The spelling of 85230719 in words is "eighty-five million, two hundred thirty thousand, seven hundred nineteen".