85559319963 has 48 divisors (see below), whose sum is σ = 134097920320. Its totient is φ = 52254720000.

The previous prime is 85559319947. The next prime is 85559319971. The reversal of 85559319963 is 36991395558.

85559319963 is a `hidden beast` number, since 8 + 5 + 559 + 3 + 19 + 9 + 63 = 666.

It is not a de Polignac number, because 85559319963 - 2⁴ = 85559319947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85559319963.

It is not an unprimeable number, because it can be changed into a prime (85559319973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31816923 + ... + 31819611.

Almost surely, 2^85559319963 is an apocalyptic number.

85559319963 is a deficient number, since it is larger than the sum of its proper divisors (48538600357).

85559319963 is a wasteful number, since it uses less digits than its factorization.

85559319963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4657 counting only the distinct ones).

The product of its digits is 39366000, while the sum is 63.

The spelling of 85559319963 in words is "eighty-five billion, five hundred fifty-nine million, three hundred nineteen thousand, nine hundred sixty-three".