85110421 has 8 divisors (see below), whose sum is σ = 94600224. Its totient is φ = 75912720.

The previous prime is 85110359. The next prime is 85110457. The reversal of 85110421 is 12401158.

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 85110421 - 2⁷ = 85110293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85110392 and 85110401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85110461) 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, 72411 + ... + 73576.

It is an arithmetic number, because the mean of its divisors is an integer number (11825028).

Almost surely, 2^85110421 is an apocalyptic number.

It is an amenable number.

85110421 is a deficient number, since it is larger than the sum of its proper divisors (9489803).

85110421 is a wasteful number, since it uses less digits than its factorization.

85110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146051.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 85110421 is about 9225.5309332309. The cubic root of 85110421 is about 439.8732779009.

Adding to 85110421 its reverse (12401158), we get a palindrome (97511579).

The spelling of 85110421 in words is "eighty-five million, one hundred ten thousand, four hundred twenty-one".