85504204801 has 2 divisors, whose sum is σ = 85504204802. Its totient is φ = 85504204800.

The previous prime is 85504204777. The next prime is 85504204813. The reversal of 85504204801 is 10840240558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61471764225 + 24032440576 = 247935^2 + 155024^2 .

It is a cyclic number.

It is not a de Polignac number, because 85504204801 - 2²⁹ = 84967333889 is a prime.

It is not a weakly prime, because it can be changed into another prime (85504204831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42752102400 + 42752102401.

It is an arithmetic number, because the mean of its divisors is an integer number (42752102401).

Almost surely, 2^85504204801 is an apocalyptic number.

It is an amenable number.

85504204801 is a deficient number, since it is larger than the sum of its proper divisors (1).

85504204801 is an equidigital number, since it uses as much as digits as its factorization.

85504204801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51200, while the sum is 37.

The spelling of 85504204801 in words is "eighty-five billion, five hundred four million, two hundred four thousand, eight hundred one".