85281292033 has 16 divisors (see below), whose sum is σ = 99856076544. Its totient is φ = 71304963840.

The previous prime is 85281292009. The next prime is 85281292067. The reversal of 85281292033 is 33029218258.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85281292033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85281292073) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2432716 + ... + 2467522.

It is an arithmetic number, because the mean of its divisors is an integer number (6241004784).

Almost surely, 2^85281292033 is an apocalyptic number.

It is an amenable number.

85281292033 is a deficient number, since it is larger than the sum of its proper divisors (14574784511).

85281292033 is a wasteful number, since it uses less digits than its factorization.

85281292033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43392.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 85281292033 in words is "eighty-five billion, two hundred eighty-one million, two hundred ninety-two thousand, thirty-three".