85899603 has 6 divisors (see below), whose sum is σ = 114554212. Its totient is φ = 57255700.

The previous prime is 85899601. The next prime is 85899613. The reversal of 85899603 is 30699858.

It is not a de Polignac number, because 85899603 - 2¹ = 85899601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85899601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13378 + ... + 18728.

Almost surely, 2^85899603 is an apocalyptic number.

85899603 is a deficient number, since it is larger than the sum of its proper divisors (28654609).

85899603 is an frugal number, since it uses more digits than its factorization.

85899603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705 (or 5354 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 85899603 is about 9268.2038713011. The cubic root of 85899603 is about 441.2286646881.

Multiplying 85899603 by its sum of digits (48), we get a square (4123180944 = 64212²).

The spelling of 85899603 in words is "eighty-five million, eight hundred ninety-nine thousand, six hundred three".