85428183101 has 2 divisors, whose sum is σ = 85428183102. Its totient is φ = 85428183100.

The previous prime is 85428183079. The next prime is 85428183163. The reversal of 85428183101 is 10138182458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51869607001 + 33558576100 = 227749^2 + 183190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85428183101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85428183901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42714091550 + 42714091551.

It is an arithmetic number, because the mean of its divisors is an integer number (42714091551).

Almost surely, 2^85428183101 is an apocalyptic number.

It is an amenable number.

85428183101 is a deficient number, since it is larger than the sum of its proper divisors (1).

85428183101 is an equidigital number, since it uses as much as digits as its factorization.

85428183101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 85428183101 in words is "eighty-five billion, four hundred twenty-eight million, one hundred eighty-three thousand, one hundred one".