85259426 has 32 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 35831376.

The previous prime is 85259399. The next prime is 85259431. The reversal of 85259426 is 62495258.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277565 + ... + 277871.

It is an arithmetic number, because the mean of its divisors is an integer number (4656960).

Almost surely, 2^85259426 is an apocalyptic number.

85259426 is a deficient number, since it is larger than the sum of its proper divisors (63763294).

85259426 is a wasteful number, since it uses less digits than its factorization.

85259426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638.

The product of its digits is 172800, while the sum is 41.

The square root of 85259426 is about 9233.6030887189. The cubic root of 85259426 is about 440.1298273915.

The spelling of 85259426 in words is "eighty-five million, two hundred fifty-nine thousand, four hundred twenty-six".