85486476121 has 2 divisors, whose sum is σ = 85486476122. Its totient is φ = 85486476120.

The previous prime is 85486476083. The next prime is 85486476191. The reversal of 85486476121 is 12167468458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85301380096 + 185096025 = 292064^2 + 13605^2 .

It is a cyclic number.

It is not a de Polignac number, because 85486476121 - 2⁹ = 85486475609 is a prime.

It is not a weakly prime, because it can be changed into another prime (85486476191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42743238060 + 42743238061.

It is an arithmetic number, because the mean of its divisors is an integer number (42743238061).

Almost surely, 2^85486476121 is an apocalyptic number.

It is an amenable number.

85486476121 is a deficient number, since it is larger than the sum of its proper divisors (1).

85486476121 is an equidigital number, since it uses as much as digits as its factorization.

85486476121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 52.

The spelling of 85486476121 in words is "eighty-five billion, four hundred eighty-six million, four hundred seventy-six thousand, one hundred twenty-one".