85537738 has 32 divisors (see below), whose sum is σ = 153240192. Its totient is φ = 35294400.

The previous prime is 85537721. The next prime is 85537741. The reversal of 85537738 is 83773558.

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 15 ways as a sum of consecutive naturals, for example, 14995 + ... + 19897.

It is an arithmetic number, because the mean of its divisors is an integer number (4788756).

Almost surely, 2^85537738 is an apocalyptic number.

85537738 is a deficient number, since it is larger than the sum of its proper divisors (67702454).

85537738 is a wasteful number, since it uses less digits than its factorization.

85537738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990.

The product of its digits is 705600, while the sum is 46.

The square root of 85537738 is about 9248.6614166592. The cubic root of 85537738 is about 440.6082119117.

The spelling of 85537738 in words is "eighty-five million, five hundred thirty-seven thousand, seven hundred thirty-eight".