85232819 has 8 divisors (see below), whose sum is σ = 97954560. Its totient is φ = 72647496.

The previous prime is 85232813. The next prime is 85232839. The reversal of 85232819 is 91823258.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85232819 is a prime.

It is a super-2 number, since 2×85232819² = 14529266869373522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85232813) 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, 32759 + ... + 35264.

It is an arithmetic number, because the mean of its divisors is an integer number (12244320).

Almost surely, 2^85232819 is an apocalyptic number.

85232819 is a deficient number, since it is larger than the sum of its proper divisors (12721741).

85232819 is a wasteful number, since it uses less digits than its factorization.

85232819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68209.

The product of its digits is 34560, while the sum is 38.

The square root of 85232819 is about 9232.1622061140. The cubic root of 85232819 is about 440.0840386999.

The spelling of 85232819 in words is "eighty-five million, two hundred thirty-two thousand, eight hundred nineteen".