85975810 has 16 divisors (see below), whose sum is σ = 155654136. Its totient is φ = 34190848.

The previous prime is 85975787. The next prime is 85975837. The reversal of 85975810 is 1857958.

It can be written as a sum of positive squares in 4 ways, for example, as 60543961 + 25431849 = 7781^2 + 5043^2 .

It is a super-2 number, since 2×85975810² = 14783679810312200, which contains 22 as substring.

It is an unprimeable number.

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, 23119 + ... + 26578.

Almost surely, 2^85975810 is an apocalyptic number.

85975810 is a deficient number, since it is larger than the sum of its proper divisors (69678326).

85975810 is a wasteful number, since it uses less digits than its factorization.

85975810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49877.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 85975810 is about 9272.3141663772. The cubic root of 85975810 is about 441.3591067896.

The spelling of 85975810 in words is "eighty-five million, nine hundred seventy-five thousand, eight hundred ten".