85463170847 has 4 divisors (see below), whose sum is σ = 85688667720. Its totient is φ = 85237673976.

The previous prime is 85463170811. The next prime is 85463170853. The reversal of 85463170847 is 74807136458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85463170847 - 2⁸ = 85463170591 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 (85463170747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112747868 + ... + 112748625.

It is an arithmetic number, because the mean of its divisors is an integer number (21422166930).

Almost surely, 2^85463170847 is an apocalyptic number.

85463170847 is a deficient number, since it is larger than the sum of its proper divisors (225496873).

85463170847 is a wasteful number, since it uses less digits than its factorization.

85463170847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225496872.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 85463170847 in words is "eighty-five billion, four hundred sixty-three million, one hundred seventy thousand, eight hundred forty-seven".