85629817250 has 16 divisors (see below), whose sum is σ = 160299018360. Its totient is φ = 34251926800.

The previous prime is 85629817219. The next prime is 85629817271. The reversal of 85629817250 is 5271892658.

It can be written as a sum of positive squares in 4 ways, for example, as 14493992881 + 71135824369 = 120391^2 + 266713^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85629817192 and 85629817201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171259385 + ... + 171259884.

Almost surely, 2^85629817250 is an apocalyptic number.

85629817250 is a deficient number, since it is larger than the sum of its proper divisors (74669201110).

85629817250 is a wasteful number, since it uses less digits than its factorization.

85629817250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342519286 (or 342519276 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 85629817250 in words is "eighty-five billion, six hundred twenty-nine million, eight hundred seventeen thousand, two hundred fifty".