85426215775 has 6 divisors (see below), whose sum is σ = 105928507592. Its totient is φ = 68340972600.

The previous prime is 85426215713. The next prime is 85426215781. The reversal of 85426215775 is 57751262458.

It is not a de Polignac number, because 85426215775 - 2¹⁷ = 85426084703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1708524291 + ... + 1708524340.

Almost surely, 2^85426215775 is an apocalyptic number.

85426215775 is a deficient number, since it is larger than the sum of its proper divisors (20502291817).

85426215775 is a wasteful number, since it uses less digits than its factorization.

85426215775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417048641 (or 3417048636 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 52.

The spelling of 85426215775 in words is "eighty-five billion, four hundred twenty-six million, two hundred fifteen thousand, seven hundred seventy-five".