85821119 has 8 divisors (see below), whose sum is σ = 94266240. Its totient is φ = 77768856.

The previous prime is 85821091. The next prime is 85821137. The reversal of 85821119 is 91112858.

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

It is a cyclic number.

It is not a de Polignac number, because 85821119 - 2⁸ = 85820863 is a prime.

It is a super-2 number, since 2×85821119² = 14730528932824322, 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 (85821149) 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, 97757 + ... + 98630.

It is an arithmetic number, because the mean of its divisors is an integer number (11783280).

Almost surely, 2^85821119 is an apocalyptic number.

85821119 is a deficient number, since it is larger than the sum of its proper divisors (8445121).

85821119 is a wasteful number, since it uses less digits than its factorization.

85821119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196429.

The product of its digits is 5760, while the sum is 35.

The square root of 85821119 is about 9263.9688578924. The cubic root of 85821119 is about 441.0942444219.

The spelling of 85821119 in words is "eighty-five million, eight hundred twenty-one thousand, one hundred nineteen".