85563803 has 4 divisors (see below), whose sum is σ = 92145648. Its totient is φ = 78981960.

The previous prime is 85563773. The next prime is 85563827. The reversal of 85563803 is 30836558.

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

It is a cyclic number.

It is not a de Polignac number, because 85563803 - 2⁶ = 85563739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85563883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290903 + ... + 3290928.

It is an arithmetic number, because the mean of its divisors is an integer number (23036412).

Almost surely, 2^85563803 is an apocalyptic number.

85563803 is a deficient number, since it is larger than the sum of its proper divisors (6581845).

85563803 is a wasteful number, since it uses less digits than its factorization.

85563803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581844.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 85563803 is about 9250.0704321643. The cubic root of 85563803 is about 440.6529613093.

The spelling of 85563803 in words is "eighty-five million, five hundred sixty-three thousand, eight hundred three".