85642448235 has 8 divisors (see below), whose sum is σ = 137027917200. Its totient is φ = 45675972384.

The previous prime is 85642448233. The next prime is 85642448239. The reversal of 85642448235 is 53284424658.

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

It is not a de Polignac number, because 85642448235 - 2¹ = 85642448233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85642448233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854748260 + ... + 2854748289.

It is an arithmetic number, because the mean of its divisors is an integer number (17128489650).

Almost surely, 2^85642448235 is an apocalyptic number.

85642448235 is a deficient number, since it is larger than the sum of its proper divisors (51385468965).

85642448235 is a wasteful number, since it uses less digits than its factorization.

85642448235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709496557.

The product of its digits is 7372800, while the sum is 51.

The spelling of 85642448235 in words is "eighty-five billion, six hundred forty-two million, four hundred forty-eight thousand, two hundred thirty-five".