85789413401 has 2 divisors, whose sum is σ = 85789413402. Its totient is φ = 85789413400.

The previous prime is 85789413317. The next prime is 85789413407. The reversal of 85789413401 is 10431498758.

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., 76368769801 + 9420643600 = 276349^2 + 97060^2 .

It is a cyclic number.

It is not a de Polignac number, because 85789413401 - 2¹⁰ = 85789412377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85789413401.

It is not a weakly prime, because it can be changed into another prime (85789413407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42894706700 + 42894706701.

It is an arithmetic number, because the mean of its divisors is an integer number (42894706701).

Almost surely, 2^85789413401 is an apocalyptic number.

It is an amenable number.

85789413401 is a deficient number, since it is larger than the sum of its proper divisors (1).

85789413401 is an equidigital number, since it uses as much as digits as its factorization.

85789413401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 85789413401 in words is "eighty-five billion, seven hundred eighty-nine million, four hundred thirteen thousand, four hundred one".