85284457507 has 2 divisors, whose sum is σ = 85284457508. Its totient is φ = 85284457506.

The previous prime is 85284457451. The next prime is 85284457513. The reversal of 85284457507 is 70575448258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85284457507 - 2¹⁹ = 85283933219 is a prime.

It is not a weakly prime, because it can be changed into another prime (85284457537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42642228753 + 42642228754.

It is an arithmetic number, because the mean of its divisors is an integer number (42642228754).

Almost surely, 2^85284457507 is an apocalyptic number.

85284457507 is a deficient number, since it is larger than the sum of its proper divisors (1).

85284457507 is an equidigital number, since it uses as much as digits as its factorization.

85284457507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544000, while the sum is 55.

The spelling of 85284457507 in words is "eighty-five billion, two hundred eighty-four million, four hundred fifty-seven thousand, five hundred seven".