85760536789 has 2 divisors, whose sum is σ = 85760536790. Its totient is φ = 85760536788.

The previous prime is 85760536777. The next prime is 85760536817. The reversal of 85760536789 is 98763506758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57304220689 + 28456316100 = 239383^2 + 168690^2 .

It is a cyclic number.

It is not a de Polignac number, because 85760536789 - 2⁷ = 85760536661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85760536789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85760536889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42880268394 + 42880268395.

It is an arithmetic number, because the mean of its divisors is an integer number (42880268395).

Almost surely, 2^85760536789 is an apocalyptic number.

It is an amenable number.

85760536789 is a deficient number, since it is larger than the sum of its proper divisors (1).

85760536789 is an equidigital number, since it uses as much as digits as its factorization.

85760536789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 85760536789 in words is "eighty-five billion, seven hundred sixty million, five hundred thirty-six thousand, seven hundred eighty-nine".