85552466089 has 2 divisors, whose sum is σ = 85552466090. Its totient is φ = 85552466088.

The previous prime is 85552466063. The next prime is 85552466099. The reversal of 85552466089 is 98066425558.

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., 56172792064 + 29379674025 = 237008^2 + 171405^2 .

It is a cyclic number.

It is not a de Polignac number, because 85552466089 - 2⁵ = 85552466057 is a prime.

It is not a weakly prime, because it can be changed into another prime (85552466029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42776233044 + 42776233045.

It is an arithmetic number, because the mean of its divisors is an integer number (42776233045).

Almost surely, 2^85552466089 is an apocalyptic number.

It is an amenable number.

85552466089 is a deficient number, since it is larger than the sum of its proper divisors (1).

85552466089 is an equidigital number, since it uses as much as digits as its factorization.

85552466089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 85552466089 in words is "eighty-five billion, five hundred fifty-two million, four hundred sixty-six thousand, eighty-nine".