85764141893 has 2 divisors, whose sum is σ = 85764141894. Its totient is φ = 85764141892.

The previous prime is 85764141811. The next prime is 85764141901. The reversal of 85764141893 is 39814146758.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54409294564 + 31354847329 = 233258^2 + 177073^2 .

It is a cyclic number.

It is not a de Polignac number, because 85764141893 - 2¹⁴ = 85764125509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85764149893) 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, 42882070946 + 42882070947.

It is an arithmetic number, because the mean of its divisors is an integer number (42882070947).

Almost surely, 2^85764141893 is an apocalyptic number.

It is an amenable number.

85764141893 is a deficient number, since it is larger than the sum of its proper divisors (1).

85764141893 is an equidigital number, since it uses as much as digits as its factorization.

85764141893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 56.

The spelling of 85764141893 in words is "eighty-five billion, seven hundred sixty-four million, one hundred forty-one thousand, eight hundred ninety-three".