85508806 has 4 divisors (see below), whose sum is σ = 128263212. Its totient is φ = 42754402.

The previous prime is 85508789. The next prime is 85508807. The reversal of 85508806 is 60880558.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85508807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21377200 + ... + 21377203.

It is an arithmetic number, because the mean of its divisors is an integer number (32065803).

Almost surely, 2^85508806 is an apocalyptic number.

85508806 is a deficient number, since it is larger than the sum of its proper divisors (42754406).

85508806 is a wasteful number, since it uses less digits than its factorization.

85508806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42754405.

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 85508806 is about 9247.0971661381. The cubic root of 85508806 is about 440.5585296911.

The spelling of 85508806 in words is "eighty-five million, five hundred eight thousand, eight hundred six".