85008032831 has 2 divisors, whose sum is σ = 85008032832. Its totient is φ = 85008032830.

The previous prime is 85008032819. The next prime is 85008032887. The reversal of 85008032831 is 13823080058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85008032831 - 2¹⁰ = 85008031807 is a prime.

It is a super-2 number, since 2×85008032831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85008032531) by changing a digit.

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 as a sum of consecutive naturals, namely, 42504016415 + 42504016416.

It is an arithmetic number, because the mean of its divisors is an integer number (42504016416).

Almost surely, 2^85008032831 is an apocalyptic number.

85008032831 is a deficient number, since it is larger than the sum of its proper divisors (1).

85008032831 is an equidigital number, since it uses as much as digits as its factorization.

85008032831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 85008032831 in words is "eighty-five billion, eight million, thirty-two thousand, eight hundred thirty-one".