85827688 has 8 divisors (see below), whose sum is σ = 160926930. Its totient is φ = 42913840.

The previous prime is 85827667. The next prime is 85827691. The reversal of 85827688 is 88672858.

It can be written as a sum of positive squares in only one way, i.e., 69522244 + 16305444 = 8338^2 + 4038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 5364223 + ... + 5364238.

Almost surely, 2^85827688 is an apocalyptic number.

It is an amenable number.

85827688 is a deficient number, since it is larger than the sum of its proper divisors (75099242).

85827688 is a wasteful number, since it uses less digits than its factorization.

85827688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10728467 (or 10728463 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 52.

The square root of 85827688 is about 9264.3233967732. The cubic root of 85827688 is about 441.1054983503.

The spelling of 85827688 in words is "eighty-five million, eight hundred twenty-seven thousand, six hundred eighty-eight".