85270507547 has 2 divisors, whose sum is σ = 85270507548. Its totient is φ = 85270507546.

The previous prime is 85270507481. The next prime is 85270507549. The reversal of 85270507547 is 74570507258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85270507547 - 2⁸ = 85270507291 is a prime.

Together with 85270507549, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85270507495 and 85270507504.

It is not a weakly prime, because it can be changed into another prime (85270507549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42635253773 + 42635253774.

It is an arithmetic number, because the mean of its divisors is an integer number (42635253774).

Almost surely, 2^85270507547 is an apocalyptic number.

85270507547 is a deficient number, since it is larger than the sum of its proper divisors (1).

85270507547 is an equidigital number, since it uses as much as digits as its factorization.

85270507547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744000, while the sum is 50.

The spelling of 85270507547 in words is "eighty-five billion, two hundred seventy million, five hundred seven thousand, five hundred forty-seven".