85272239744 has 64 divisors (see below), whose sum is σ = 170606995200. Its totient is φ = 42453672960.

The previous prime is 85272239719. The next prime is 85272239753. The reversal of 85272239744 is 44793227258.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35692502 + ... + 35694890.

It is an arithmetic number, because the mean of its divisors is an integer number (2665734300).

Almost surely, 2^85272239744 is an apocalyptic number.

It is an amenable number.

85272239744 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

85272239744 is a wasteful number, since it uses less digits than its factorization.

85272239744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481 (or 3469 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 53.

The spelling of 85272239744 in words is "eighty-five billion, two hundred seventy-two million, two hundred thirty-nine thousand, seven hundred forty-four".