85415357447 has 16 divisors (see below), whose sum is σ = 104274464832. Its totient is φ = 68296704000.

The previous prime is 85415357411. The next prime is 85415357449. The reversal of 85415357447 is 74475351458.

It is not a de Polignac number, because 85415357447 - 2¹⁸ = 85415095303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85415357449) 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 in 15 ways as a sum of consecutive naturals, for example, 3162554 + ... + 3189447.

It is an arithmetic number, because the mean of its divisors is an integer number (6517154052).

Almost surely, 2^85415357447 is an apocalyptic number.

85415357447 is a deficient number, since it is larger than the sum of its proper divisors (18859107385).

85415357447 is a wasteful number, since it uses less digits than its factorization.

85415357447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352138.

The product of its digits is 9408000, while the sum is 53.

The spelling of 85415357447 in words is "eighty-five billion, four hundred fifteen million, three hundred fifty-seven thousand, four hundred forty-seven".