85445527 has 8 divisors (see below), whose sum is σ = 90333360. Its totient is φ = 80596800.

The previous prime is 85445509. The next prime is 85445533. The reversal of 85445527 is 72554458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85445527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85445527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85448527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5224 + ... + 14077.

It is an arithmetic number, because the mean of its divisors is an integer number (11291670).

Almost surely, 2^85445527 is an apocalyptic number.

85445527 is a deficient number, since it is larger than the sum of its proper divisors (4887833).

85445527 is a wasteful number, since it uses less digits than its factorization.

85445527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19553.

The product of its digits is 224000, while the sum is 40.

The square root of 85445527 is about 9243.6749726502. The cubic root of 85445527 is about 440.4498275032.

The spelling of 85445527 in words is "eighty-five million, four hundred forty-five thousand, five hundred twenty-seven".