85416998741 has 2 divisors, whose sum is σ = 85416998742. Its totient is φ = 85416998740.

The previous prime is 85416998707. The next prime is 85416998783. The reversal of 85416998741 is 14789961458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76720690225 + 8696308516 = 276985^2 + 93254^2 .

It is a cyclic number.

It is not a de Polignac number, because 85416998741 - 2⁶ = 85416998677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85416908741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42708499370 + 42708499371.

It is an arithmetic number, because the mean of its divisors is an integer number (42708499371).

Almost surely, 2^85416998741 is an apocalyptic number.

It is an amenable number.

85416998741 is a deficient number, since it is larger than the sum of its proper divisors (1).

85416998741 is an equidigital number, since it uses as much as digits as its factorization.

85416998741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 62.

The spelling of 85416998741 in words is "eighty-five billion, four hundred sixteen million, nine hundred ninety-eight thousand, seven hundred forty-one".