85632563 has 8 divisors (see below), whose sum is σ = 93248400. Its totient is φ = 78327648.

The previous prime is 85632523. The next prime is 85632581. The reversal of 85632563 is 36523658.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85632563 - 2¹² = 85628467 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85632523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77156 + ... + 78257.

It is an arithmetic number, because the mean of its divisors is an integer number (11656050).

Almost surely, 2^85632563 is an apocalyptic number.

85632563 is a deficient number, since it is larger than the sum of its proper divisors (7615837).

85632563 is a wasteful number, since it uses less digits than its factorization.

85632563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155461.

The product of its digits is 129600, while the sum is 38.

The square root of 85632563 is about 9253.7864142199. The cubic root of 85632563 is about 440.7709675374.

The spelling of 85632563 in words is "eighty-five million, six hundred thirty-two thousand, five hundred sixty-three".