85996735547 has 2 divisors, whose sum is σ = 85996735548. Its totient is φ = 85996735546.

The previous prime is 85996735499. The next prime is 85996735549. The reversal of 85996735547 is 74553769958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85996735547 - 2⁸ = 85996735291 is a prime.

Together with 85996735549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85996735549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42998367773 + 42998367774.

It is an arithmetic number, because the mean of its divisors is an integer number (42998367774).

Almost surely, 2^85996735547 is an apocalyptic number.

85996735547 is a deficient number, since it is larger than the sum of its proper divisors (1).

85996735547 is an equidigital number, since it uses as much as digits as its factorization.

85996735547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768000, while the sum is 68.

The spelling of 85996735547 in words is "eighty-five billion, nine hundred ninety-six million, seven hundred thirty-five thousand, five hundred forty-seven".