85827542 has 4 divisors (see below), whose sum is σ = 128741316. Its totient is φ = 42913770.

The previous prime is 85827493. The next prime is 85827551. The reversal of 85827542 is 24572858.

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

It is a self number, because there is not a number n which added to its sum of digits gives 85827542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21456884 + ... + 21456887.

It is an arithmetic number, because the mean of its divisors is an integer number (32185329).

Almost surely, 2^85827542 is an apocalyptic number.

85827542 is a deficient number, since it is larger than the sum of its proper divisors (42913774).

85827542 is a wasteful number, since it uses less digits than its factorization.

85827542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42913773.

The product of its digits is 179200, while the sum is 41.

The square root of 85827542 is about 9264.3155170795. The cubic root of 85827542 is about 441.1052482311.

The spelling of 85827542 in words is "eighty-five million, eight hundred twenty-seven thousand, five hundred forty-two".