85284457459 has 8 divisors (see below), whose sum is σ = 86394330000. Its totient is φ = 84177954432.

The previous prime is 85284457451. The next prime is 85284457507. The reversal of 85284457459 is 95475448258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85284457459 - 2³ = 85284457451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85284457397 and 85284457406.

It is not an unprimeable number, because it can be changed into a prime (85284457451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791409 + ... + 892690.

It is an arithmetic number, because the mean of its divisors is an integer number (10799291250).

Almost surely, 2^85284457459 is an apocalyptic number.

85284457459 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

85284457459 is a deficient number, since it is larger than the sum of its proper divisors (1109872541).

85284457459 is a wasteful number, since it uses less digits than its factorization.

85284457459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684757.

The product of its digits is 64512000, while the sum is 61.

The spelling of 85284457459 in words is "eighty-five billion, two hundred eighty-four million, four hundred fifty-seven thousand, four hundred fifty-nine".