85470534997927 has 2 divisors, whose sum is σ = 85470534997928. Its totient is φ = 85470534997926.

The previous prime is 85470534997907. The next prime is 85470534997963. The reversal of 85470534997927 is 72979943507458.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85470534997927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85470534997907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42735267498963 + 42735267498964.

It is an arithmetic number, because the mean of its divisors is an integer number (42735267498964).

Almost surely, 2^{85470534997927} is an apocalyptic number.

85470534997927 is a deficient number, since it is larger than the sum of its proper divisors (1).

85470534997927 is an equidigital number, since it uses as much as digits as its factorization.

85470534997927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800902400, while the sum is 79.

The spelling of 85470534997927 in words is "eighty-five trillion, four hundred seventy billion, five hundred thirty-four million, nine hundred ninety-seven thousand, nine hundred twenty-seven".