85275851 has 4 divisors (see below), whose sum is σ = 85305000. Its totient is φ = 85246704.

The previous prime is 85275821. The next prime is 85275871. The reversal of 85275851 is 15857258.

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 85275851 - 2¹⁴ = 85259467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85275799 and 85275808.

It is not an unprimeable number, because it can be changed into a prime (85275811) 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 3 ways as a sum of consecutive naturals, for example, 9626 + ... + 16223.

It is an arithmetic number, because the mean of its divisors is an integer number (21326250).

Almost surely, 2^85275851 is an apocalyptic number.

85275851 is a deficient number, since it is larger than the sum of its proper divisors (29149).

85275851 is a wasteful number, since it uses less digits than its factorization.

85275851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29148.

The product of its digits is 112000, while the sum is 41.

The square root of 85275851 is about 9234.4924603359. The cubic root of 85275851 is about 440.1580888542.

The spelling of 85275851 in words is "eighty-five million, two hundred seventy-five thousand, eight hundred fifty-one".