85628924093 has 2 divisors, whose sum is σ = 85628924094. Its totient is φ = 85628924092.

The previous prime is 85628924039. The next prime is 85628924111. The reversal of 85628924093 is 39042982658.

Together with previous prime (85628924039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71410269529 + 14218654564 = 267227^2 + 119242^2 .

It is a cyclic number.

It is not a de Polignac number, because 85628924093 - 2³² = 81333956797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85628924023) 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, 42814462046 + 42814462047.

It is an arithmetic number, because the mean of its divisors is an integer number (42814462047).

Almost surely, 2^85628924093 is an apocalyptic number.

It is an amenable number.

85628924093 is a deficient number, since it is larger than the sum of its proper divisors (1).

85628924093 is an equidigital number, since it uses as much as digits as its factorization.

85628924093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 85628924093 in words is "eighty-five billion, six hundred twenty-eight million, nine hundred twenty-four thousand, ninety-three".