85327551 has 6 divisors (see below), whose sum is σ = 123250920. Its totient is φ = 56885028.

The previous prime is 85327547. The next prime is 85327553. The reversal of 85327551 is 15572358.

85327551 is a `hidden beast` number, since 8 + 532 + 75 + 51 = 666.

It is not a de Polignac number, because 85327551 - 2² = 85327547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85327553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4740411 + ... + 4740428.

It is an arithmetic number, because the mean of its divisors is an integer number (20541820).

Almost surely, 2^85327551 is an apocalyptic number.

85327551 is a deficient number, since it is larger than the sum of its proper divisors (37923369).

85327551 is a wasteful number, since it uses less digits than its factorization.

85327551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480845 (or 9480842 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 85327551 is about 9237.2913237594. The cubic root of 85327551 is about 440.2470221051.

The spelling of 85327551 in words is "eighty-five million, three hundred twenty-seven thousand, five hundred fifty-one".